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 A134332 #2 Mar 31 2012 13:21:04 %S A134332 1,2,3,2,5,2,7,2,3,3,11,2,13,3,3,2,17,2,19,2,4,4,23,2,5,5,3,3,29,3,31, %T A134332 2,5,5,5,2,37,6,6,2,41,3,43,4,3,7,47,2,7,3,7,4,53,2,7,3,8,8,59,2,61,9, %U A134332 4,2,8,3,67,5,9,3,71,2,73,9,4,5,8,4,79,2,3,9,83,3,9,11,10,3,89,2,9,6,11,12 %N A134332 Integer part of the arithmetic mean of the prime factors (counted with multiplicity) of the period numbers defined by A133900. %F A134332 a(n)=floor(A134331(n)/A133911(n)) for n>1, defining a(1):=1. %F A134332 a(n)=n, if n is a prime or 1. %e A134332 a(6)=2, since floor(A134331(6)/A133911(6))=floor(12/5)=2. %e A134332 a(7)=7, since floor(A134331(7)/A133911(7))=floor(14/2)=7. %Y A134332 Cf. A000040, A100118, A046363, A133620, A133621, A133623, A133630, A133635. %Y A134332 Cf. A133872, A133880, A133890, A133900, A133910, A133911, A134331. %K A134332 nonn %O A134332 1,2 %A A134332 _Hieronymus Fischer_, Oct 23 2007