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 A064251 #10 Oct 17 2019 06:07:09
%S A064251 1608,9090,13440,18660,25620,41280,48588,54678,59028,69990,72948,
%T A064251 73470,88260,112620,135588,144288,152640,170388,197358,204318,225720,
%U A064251 233550,245208,264870,302628,337080,361440,371358,380058,386148,403548,433650,440958,446178,463230
%N A064251 Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,29.
%C A064251 am+1, bm+1, cm+1 are primes and am | (N-1), bm | (N-1), cm |(N-1).
%D A064251 Harvey Dubner (harvey(AT)dubner.com), personal communication, Jun 27 2001.
%H A064251 Amiram Eldar, <a href="/A064251/b064251.txt">Table of n, a(n) for n = 1..10000</a>
%t A064251 carmQ[n_] := CompositeQ[n] && Divisible[n - 1, CarmichaelLambda[n]]; Select[Range[10^5], AllTrue[(v = {1, 2, 29}*# + 1), PrimeQ] && carmQ[Times @@ v] &] (* _Amiram Eldar_, Oct 17 2019 *)
%Y A064251 Cf. A087788.
%K A064251 nonn
%O A064251 1,1
%A A064251 _N. J. A. Sloane_, Sep 23 2001
%E A064251 Offset corrected and more terms added by _Amiram Eldar_, Oct 17 2019