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 A062506 #18 May 20 2014 09:46:56
%S A062506 3,5,6,7,9,10,11,12,13,14,15,17,18,19,20,21,22,24,25,26,27,28,29,30,
%T A062506 31,33,34,35,36,38,39,40,41,42,43,44,45,48,49,50,51,52,54,55,56,57,58,
%U A062506 59,60,61,62,63,65,66,68,69,70,71,72,73,75,76,77,78,80,81,82,84,85,86,87
%N A062506 n divisible by at least one twin prime (A001097).
%C A062506 Complement of A062729.
%e A062506 36 is included because 36 is divisible by 3 and 3+2 is a prime.
%o A062506 (PARI) isok(n) = {my(f = factor(n)); for (i=1, #f~, p = f[i, 1]; if (isprime(p-2) || isprime(p+2), return (1));); return (0);} \\ _Michel Marcus_, May 20 2014
%K A062506 nonn
%O A062506 1,1
%A A062506 _Leroy Quet_, Jul 09 2001
%E A062506 Offset changed to 1 by _Michel Marcus_, May 20 2014