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A266448 as a simple table

na(n)
01
12
24
37
411
517
621
731
835
949
1053
1171
1275
1397
14101
15127
16131
17161
18165
19199
20203
21241
22245
23287
24291
25337
26341
27391
28395
29449
30453
31511
32515
33577
34581
35647
36651
37721
38725
39799
40803
41881
42885
43967
44971
451057
461061
471151
481155
491249
501253
511351
521355

[1,2,4,7,11,17,21,31,35,49,53,71,75,97,101,127,
 131,161,165,199,203,241,245,287,291,337,341,391,
 395,449,453,511,515,577,581,647,651,721,725,799,
 803,881,885,967,971,1057,1061,1151,1155,1249,1253,
 1351,1355]