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 A256214 #3 Mar 26 2015 21:28:38 %S A256214 2,3,10,13,21,24,31,38,43,51,59,67,78,81,90,101,108,119,131,136,141, %T A256214 152,159,171,183,188,195,207,214,219,237,256,263,264,278,292,299,306, %U A256214 316,328,339,347,368,371,379,380,405,421,431,440,447,457 %N A256214 Indices of prime terms in A255582. %C A256214 It would be nice to have a definition for this sequence which is independent of A255582. %Y A256214 Cf. A255582, A256213, A256212. %K A256214 nonn %O A256214 1,1 %A A256214 _N. J. A. Sloane_, Mar 26 2015