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A153580
Terms of A083737 which are not Carmichael numbers (A002997).
4
721801, 873181, 4504501, 8646121, 9006401, 9863461, 10403641, 12322133, 14609401, 15913261, 18595801, 18736381, 20234341, 21397381, 22066201, 22369621, 22885129, 25326001, 25696133, 28312921, 36307981, 42702661
OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..2871 (calculated from the b-file at A083737)
MATHEMATICA
Select[Range[5*10^7], ! PrimeQ[ # ] && PowerMod[2, # - 1, # ] == 1 && PowerMod[3, # - 1, # ] == 1 && PowerMod[5, # - 1, # ] == 1 && Mod[ #, CarmichaelLambda[ # ]] != 1 &] (* Ray Chandler, Dec 28 2008 *)
KEYWORD
nonn
AUTHOR
STATUS
approved