cp's OEIS Frontend

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.

A104010 Sum of two successive sexy primes.

This page as a plain text file.
%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