carm10e22.gz is a compressed text file containing
carmichael numbers up to 10^22.
Below is the first and last 10 lines of the text file:

C                         561  3 11 17
C                        1105  5 13 17
C                        1729  7 13 19
C                        2465  5 17 29
C                        2821  7 13 31
C                        6601  7 23 41
C                        8911  7 19 67
C                       10585  5 29 73
CS                      15841  7 31 73
CS                      29341  13 37 61
...
C      9999994188725658047701  43 47 67 101 211 461 811 1151 8053
C      9999995096829522133441  313 577 3361 7309 9829 229321
C      9999996322479194354401  13 17 89 101 127 191 601 7867 43891
C      9999996815931661566721  19 29 37 41 61 181 211 241 1153 18481
C      9999997233179083673401  61 103 181 397 521 1801 3301 7151
C      9999997290260049801961  37 47 89 199 373 1303 2521 264991
C      9999998256051933696001  41 137 379 401 409 541 2551 20753
C      9999998329596294277441  79 271 937 1297 2521 3361 45361
C      9999999606638779713361  31 43 71 463 1307 130411 1338877
C      9999999972168827821201  199 421 433 521 3571 8893 16661

C indicates a carmichael number, D would indicate a lucas-carmichael number and W a wieferich number.
S indicates a strong pseudoprime to base 2.

Here is a tally of the number of carmichael numbers up to 10^22:

#           tot          2          3          4          5          6          7          8          9         10         11         12         13
  3           1          0          1          0          0          0          0          0          0          0          0          0          0
  4           7          0          7          0          0          0          0          0          0          0          0          0          0
  5          16          0         12          4          0          0          0          0          0          0          0          0          0
  6          43          0         23         19          1          0          0          0          0          0          0          0          0
  7         105          0         47         55          3          0          0          0          0          0          0          0          0
  8         255          0         84        144         27          0          0          0          0          0          0          0          0
  9         646          0        172        314        146         14          0          0          0          0          0          0          0
 10        1547          0        335        619        492         99          2          0          0          0          0          0          0
 11        3605          0        590       1179       1336        459         41          0          0          0          0          0          0
 12        8241          0       1000       2102       3156       1714        262          7          0          0          0          0          0
 13       19279          0       1858       3639       7082       5270       1340         89          1          0          0          0          0
 14       44706          0       3284       6042      14938      14401       5359        655         27          0          0          0          0
 15      105212          0       6083       9938      29282      36907      19210       3622        170          0          0          0          0
 16      246683          0      10816      16202      55012      86696      60150      16348       1436         23          0          0          0
 17      585355          0      19539      25758     100707     194306     172234      63635       8835        340          1          0          0
 18     1401644          0      35586      40685     178063     414660     460553     223997      44993       3058         49          0          0
 19     3381806          0      65309      63343     306310     849564    1159167     720406     196391      20738        576          2          0
 20     8220777          0     120625      98253     514381    1681744    2774702    2148017     762963     114232       5804         56          0
 21    20138200          0     224763     151566     846627    3230120    6363475    6015901    2714473     547528      42764        983          0
 22    49679870          0     420658     232742    1370257    6034046   14056367   16005646    8939435    2347828     262818      10018         55

Claude Goutier (C) 2024.