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 A064258 #10 Oct 17 2019 05:58:54
%S A064258 966,12576,36570,37860,71916,78366,103650,126096,132546,242970,279606,
%T A064258 316500,387966,392610,404220,407316,418926,459690,498390,500196,
%U A064258 523416,524706,554376,604170,707886,729300,749940,755616,769806,840756,897516,903450,974400,1048446
%N A064258 Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,43.
%C A064258 am+1, bm+1, cm+1 are primes and am | (N-1), bm | (N-1), cm |(N-1).
%D A064258 Harvey Dubner (harvey(AT)dubner.com), personal communication, Jun 27 2001.
%H A064258 Amiram Eldar, <a href="/A064258/b064258.txt">Table of n, a(n) for n = 1..10000</a>
%t A064258 carmQ[n_] := CompositeQ[n] && Divisible[n - 1, CarmichaelLambda[n]]; Select[Range[10^5], AllTrue[(v = {1, 2, 43}*# + 1), PrimeQ] && carmQ[Times @@ v] &] (* _Amiram Eldar_, Oct 17 2019 *)
%Y A064258 Cf. A087788.
%K A064258 nonn
%O A064258 1,1
%A A064258 _N. J. A. Sloane_, Sep 23 2001
%E A064258 Offset corrected and more terms added by _Amiram Eldar_, Oct 17 2019