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 A131102 #7 Sep 24 2013 09:24:41 %S A131102 2,5,7,11,23,47,37,59,41,43,47,83,107,73,83,89,97,167,179,227,139,137, %T A131102 151,263,151,167,157,197,347,193,359,223,383,229,241,467,479,257,293, %U A131102 503,281,307,283,307,317,563,313,313,587,331,349,349,367,367,419,719 %N A131102 Prime numbers arising from A131101. %C A131102 The Safe Primes (A005385) are part of this sequence because they are the result of adding A005384(n) (Sophie Germain primes) to its only prime factor (itself) + 1 = 2*A005384 + 1 . %F A131102 A131101(n) + prime factors of A131101(n) + 1 = a(n) ; a(n) is a prime number. %e A131102 a(8)=59 because 59 = A131101(8)+ prime factors of A131101(8) +1 = 29+ (29) +1. %e A131102 a(9)=41 because A131101(9)+ prime factors of A131101(8) + 1 = 30 +(2+3+5)+1. %Y A131102 Cf. A131101, A005384, A005385. %K A131102 easy,nonn %O A131102 1,1 %A A131102 _Tomas Xordan_, Jun 14 2007