cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A065695 Numbers m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,53.

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%I A065695 #14 Oct 17 2019 16:17:54
%S A065695 6120,11526,104700,108516,115830,122826,297726,298680,320940,338430,
%T A065695 339066,367686,374046,387720,448140,531456,534636,538770,587106,
%U A065695 618270,709536,746106,762006,857406,863766,897156,963300,1115940,1150920
%N A065695 Numbers m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,53.
%H A065695 Amiram Eldar, <a href="/A065695/b065695.txt">Table of n, a(n) for n = 1..10000</a>
%F A065695 am+1, bm+1, cm+1 are primes and am|(N-1), bm|(N-1), cm|(N-1).
%t A065695 CarmichaelNbrQ[n_] := ! PrimeQ@ n && Mod[n, CarmichaelLambda@ n] == 1; Select[ Range@ 1000000, PrimeQ[# + 1] && PrimeQ[2# + 1] && PrimeQ[53# + 1] && CarmichaelNbrQ[(# + 1)(2# + 1)(53# + 1)] &] (* _Robert G. Wilson v_, Aug 23 2012 *)
%Y A065695 Cf. A064238-A064262, A065696-A065703, A087788.
%K A065695 nonn
%O A065695 1,1
%A A065695 Harvey Dubner (harvey(AT)dubner.com), Nov 14 2001
%E A065695 More terms from _Robert G. Wilson v_, Aug 23 2012