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 A175178 #6 Mar 31 2012 10:22:16 %S A175178 1,1,1,2,1,5,1,1,1,1,1,2,4,6,1,1,2,9,1,1,7,1,1,1,1,1,1,1,5,6,1,1,1,1, %T A175178 1,1,4,1,1,1,1,16,1,9,2,1,1,1,1,1,7,1,19,1,1,1,1,1,3,1,1,1,1,1,11,1,1, %U A175178 1,1,1,2,1,1,1,1,1,1,6,3,1,1,2,1,11,1,1,9,1,1,1,1,1,1,1,1,1,1,1,1,9,1,1 %N A175178 a(n)=Values of cardinality of rooted trees CRT for successive primes. %D A175178 Karpenko A.S. 2006. Lukasiewicz's Logics and Prime Numbers (English translation). %D A175178 Karpenko A.S. 2000. Lukasiewicz's Logics and Prime Numbers (Russian). %Y A175178 A058340, A058340, A096827, A175177. %K A175178 nonn %O A175178 1,4 %A A175178 _Artur Jasinski_, Mar 01 2010