A112444 Pseudoprimes (base-2) equal to the product of 6 primes not necessarily distinct.

45593065, 68800501, 81722145, 110851741, 192112921, 226018585, 238018341, 250385401, 265729465, 272479285, 321197185, 329379505, 332633665, 353987481, 357339745, 358466361, 413631505, 415702105, 416392005, 417241045, 421121701, 464790781, 476177905, 483532105

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Example

a(1) = 45593065 = 5*7*17*19*37*109.

Mathematica

s={}; Do[If[PrimeOmega[n] == 6 && PowerMod[2, n - 1, n] == 1, AppendTo[s, n]], {n, 1, 10^8}]; s (* Amiram Eldar, Nov 10 2019 *)

Crossrefs

Intersection of A046306 and A001567.

Sequence in context: A205263 A087534 A183747 * A083630 A258609 A251440

Adjacent sequences: A112441 A112442 A112443 * A112445 A112446 A112447

Keyword

easy,nonn

Author

Shyam Sunder Gupta, Dec 11 2005

Extensions

More terms from Amiram Eldar, Nov 10 2019

Status

approved