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 A069349 #3 Mar 30 2012 18:50:20 %S A069349 1,2,1,2,1,2,1,1,3,1,1,2,1,2,1,1,1,3,1,1,1,1,2,1,2,2,1,1,1,2,1,1,1,1, %T A069349 1,2,1,1,1,3,1,1,2,1,1,1,1,1,1,1,1,3,2,2,2,1,2,1,1,1,1,3,1,1,1,2,1,2, %U A069349 1,1,3,1,1,1,3,3,1,1,2,1,2,1,2,2,1,1,2,1,2,2 %N A069349 Number of ways to represent primes as A069348(n)=k+A001222(k). %e A069349 a(9)=3 as: A069348(9)=53=A064800(48)=A064800(50)=A064800(51) %e A069349 53=2*2*2*2*3+5 and 53=2*5*5+3 and 51=3*17+2. %K A069349 nonn %O A069349 1,2 %A A069349 _Reinhard Zumkeller_, Mar 18 2002