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 A104010 #13 Feb 16 2025 08:32:56 %S A104010 16,20,28,32,40,52,68,80,88,100,112,128,140,152,172,200,208,212,220, %T A104010 268,308,320,340,352,388,392,452,460,472,508,520,532,548,560,620,628, %U A104010 668,700,712,740,752,772,872,892,920,928,1012,1088,1120,1132,1148,1180,1192 %N A104010 Sum of two successive sexy primes. %H A104010 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/SexyPrimes.html">Sexy Primes</a>. [The definition in this webpage is unsatisfactory, because it defines a "sexy prime" as a pair of primes.- _N. J. A. Sloane_, Mar 07 2021]. %F A104010 a(n)= A023201(n)+A046117(n) = 2*A087695(n). [From _R. J. Mathar_, Nov 26 2008] %p A104010 A104010 := proc(n) %p A104010 2*A023201(n)+6 ; %p A104010 end proc: # _R. J. Mathar_, May 28 2013 %Y A104010 Cf. A023201, A046117. %K A104010 easy,nonn %O A104010 1,1 %A A104010 _Giovanni Teofilatto_, Mar 31 2005 %E A104010 20 added, 84 removed, extended by _R. J. Mathar_, Nov 26 2008