A153580 Terms of A083737 which are not Carmichael numbers (A002997).

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 *)

Crossrefs

Cf. A002997, A083737, A122780, A153508, A153513, A153514, A153515, A153519, A153581.

Sequence in context: A250372 A015346 A190932 * A153581 A100383 A250153

Adjacent sequences: A153577 A153578 A153579 * A153581 A153582 A153583

Keyword

nonn

Author

Ray Chandler & Artur Jasinski, Dec 28 2008

Status

approved