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A112444
Pseudoprimes (base-2) equal to the product of 6 primes not necessarily distinct.
1
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
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
KEYWORD
easy,nonn
AUTHOR
Shyam Sunder Gupta, Dec 11 2005
EXTENSIONS
More terms from Amiram Eldar, Nov 10 2019
STATUS
approved