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 A086303 #8 Feb 20 2017 14:40:51 %S A086303 2,4,8,14,16,22,26,28,32,38,44,46,52,56,58,64,68,74,82,86,88,92,94,98, %T A086303 112,116,122,124,134,136,142,148,152,158,164,166,176,178,182,184,196, %U A086303 208,212,214,218,224,226,236,242,248,254,256,262,266,268,278,292,296 %N A086303 Numbers n such that n+15 is prime. %D A086303 M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988 %D A086303 Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta, UTET, CittaStudiEdizioni, Milano 1997 %F A086303 a(n)=2*A089559(n). %o A086303 (PARI) is(n)=isprime(n+15) \\ _Charles R Greathouse IV_, Feb 20 2017 %Y A086303 Cf. A089559. %K A086303 easy,nonn %O A086303 1,1 %A A086303 _Giovanni Teofilatto_, Aug 29 2003 %E A086303 Extended by _Ray Chandler_, Nov 29 2003