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 A257923 #9 Jul 14 2015 00:06:28 %S A257923 3,4,4,5,6,6,7,7,7,8,8,8 %N A257923 Number of prime factors of the n-th Giuga number A007850(n). %C A257923 Row lengths of the table A236434 of prime factors of the Giuga numbers. %F A257923 a(n) = A001221(A007850(n)). %o A257923 (PARI) a(n)=omega(A007850(n)) %K A257923 nonn,more,hard %O A257923 1,1 %A A257923 _M. F. Hasler_, Jul 13 2015