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A112446 Pseudoprimes (base-2) equal to the product of 8 primes not necessarily distinct. 1
38504389105, 79753114441, 86757431761, 95665544065, 101135235565, 160727267701, 184395152305, 232250619601, 241543943641, 267149008945, 281825521705, 298045705321, 306177962545, 360805362841, 432207073585, 435343749841, 473056144561, 503876371285, 518896999621 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

a(1) = 38504389105 = 5*7*13*17*19*37*73*97.

MATHEMATICA

s={}; Do[If[PrimeOmega[n] == 8 && PowerMod[2, n - 1, n] == 1, AppendTo[s, n]], {n, 1, 10^11}]; s (* Amiram Eldar, Nov 10 2019 *)

CROSSREFS

Intersection of A046310 and A001567.

Sequence in context: A038821 A139780 A234072 * A295460 A306430 A216018

Adjacent sequences:  A112443 A112444 A112445 * A112447 A112448 A112449

KEYWORD

easy,nonn

AUTHOR

Shyam Sunder Gupta, Dec 11 2005

EXTENSIONS

More terms from Amiram Eldar, Nov 10 2019

STATUS

approved

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Last modified July 11 01:12 EDT 2020. Contains 335600 sequences. (Running on oeis4.)