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 A255763 #10 Mar 30 2015 21:49:17 %S A255763 1,9,15,21,23,25,27,33,35,37,39,45,47,49,51,53,55,57,63,65,67,69,75, %T A255763 77,79,81,83,85,87,89,91,93,95,97,99,105,111,113,115,117,119,121,123, %U A255763 125,127,129,131,133,135,141,143,145,147,153,155,157,159,161,163,165,167,169,171,173,175,177,183,185,187,189,195,201 %N A255763 Odd numbers that are not twin primes. %C A255763 UNION of A014076 and A134797. %Y A255763 Cf. A001097, A005408, A014076, A134797. %K A255763 nonn,easy %O A255763 1,2 %A A255763 _Omar E. Pol_, Mar 30 2015