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 A251141 #4 Nov 30 2014 16:53:46 %S A251141 0,1,1,2,2,2,2,2,3,3,2,2,2,4,2,3,2,2,3,6,2,3,4,2,2,4,2,2,3,4,2,5,3,2, %T A251141 2,3,2,3,2,2,3,3,3,3,2,6,3,3,2,2,2,4,4,3,2,2,3,5,2,2,2,4,2,3,5,3,2,4, %U A251141 3,2,2,3,3,2,3,5,2,3,4,2,2,5,2,3,2,3 %N A251141 Total number of prime factors of A098548(n). %C A251141 a(n) = A001222(A098548(n)). %H A251141 Reinhard Zumkeller, <a href="/A251141/b251141.txt">Table of n, a(n) for n = 1..10000</a> %o A251141 (Haskell) %o A251141 a251141 = a001222 . fromIntegral . a098548 %Y A251141 Cf. A001222, A098548, A251140, A251139. %K A251141 nonn %O A251141 1,4 %A A251141 _Reinhard Zumkeller_, Nov 30 2014