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.
%I A065696 #11 Oct 17 2019 16:18:10 %S A065696 3876,7506,8166,16746,20706,23676,24336,40506,42156,68226,69876,79776, %T A065696 95286,123996,139176,149076,166236,177786,183066,187686,203856,210126, %U A065696 213096,214086,216396,221676,232566,265566,307146,310116,321006,326946 %N A065696 Numbers m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,55. %H A065696 Amiram Eldar, <a href="/A065696/b065696.txt">Table of n, a(n) for n = 1..10000</a> %F A065696 am+1, bm+1, cm+1 are primes and am|(N-1), bm|(N-1), cm|(N-1). %t A065696 CarmichaelNbrQ[n_] := ! PrimeQ@ n && Mod[n, CarmichaelLambda@ n] == 1; Select[ Range@ 350000, PrimeQ[# + 1] && PrimeQ[2# + 1] && PrimeQ[55# + 1] && CarmichaelNbrQ[(# + 1)(2# + 1)(55# + 1)] &] (* _Robert G. Wilson v_, Aug 23 2012 *) %Y A065696 Cf. A064238-A064262, A065695, A065696, A065697, A065698, A065699, A065700, A065701, A065703, A087788. %K A065696 nonn %O A065696 1,1 %A A065696 Harvey Dubner (harvey(AT)dubner.com), Nov 14 2001