%I #7 Oct 17 2019 16:31:31
%S 876,1656,7506,9066,12966,33636,67956,74586,83556,89796,111636,126456,
%T 129186,143616,150246,154926,166626,184566,222786,241116,252036,
%U 252816,261786,271926,288306,303906,304686,319116,340956,344856,351096,357726,362406,363966,365526
%N Values of m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,65.
%H Amiram Eldar, <a href="/A065700/b065700.txt">Table of n, a(n) for n = 1..10000</a>
%F am+1, bm+1, cm+1 are primes and am|(N-1), bm|(N-1), cm|(N-1).
%t carmQ[n_] := CompositeQ[n] && Divisible[n - 1, CarmichaelLambda[n]]; Select[Range[10^5], AllTrue[(v = {1, 2, 65}*# + 1), PrimeQ] && carmQ[Times @@ v] &] (* _Amiram Eldar_, Oct 17 2019 *)
%Y Cf. A064238-A064262, A065695-A065703, A087788.
%K nonn
%O 1,1
%A Harvey Dubner (harvey(AT)dubner.com), Nov 14 2001
%E More terms from _Amiram Eldar_, Oct 17 2019