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 A318499 #5 Aug 30 2018 22:41:56 %S A318499 0,0,0,1,0,0,0,0,1,0,0,1,0,0,0,3,0,1,0,1,0,0,0,0,1,0,0,1,0,0,0,3,0,0, %T A318499 0,2,0,0,0,0,0,0,0,1,1,0,0,3,1,1,0,1,0,0,0,0,0,0,0,1,0,0,1,4,0,0,0,1, %U A318499 0,0,0,1,0,0,1,1,0,0,0,3,3,0,0,1,0,0,0,0,0,1,0,1,0,0,0,3,0,1,1,2,0,0,0,0,0 %N A318499 The 2-adic valuation of A318498. %H A318499 Antti Karttunen, <a href="/A318499/b318499.txt">Table of n, a(n) for n = 1..65537</a> %F A318499 a(n) = A007814(A318498(n)). %o A318499 (PARI) A318499(n) = valuation(A318498(n),2); \\ Needs also code from A318498. %Y A318499 Cf. A318498. %K A318499 nonn %O A318499 1,16 %A A318499 _Antti Karttunen_, Aug 30 2018