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 A318315 #9 Sep 23 2018 21:29:13 %S A318315 0,1,0,3,0,1,0,4,1,1,0,3,0,1,0,7,0,2,0,3,0,1,0,4,1,1,1,3,0,1,0,8,0,1, %T A318315 0,4,0,1,0,4,0,1,0,3,1,1,0,7,1,2,0,3,0,2,0,4,0,1,0,3,0,1,1,10,0,1,0,3, %U A318315 0,1,0,5,0,1,1,3,0,1,0,7,3,1,0,3,0,1,0,4,0,2,0,3,0,1,0,8,0,2,1,4,0,1,0,4,0 %N A318315 The 2-adic valuation of A318314. %H A318315 Antti Karttunen, <a href="/A318315/b318315.txt">Table of n, a(n) for n = 1..65537</a> %F A318315 a(n) = A007814(A318314(n)). %o A318315 (PARI) A318315(n) = valuation(A318314(n),2); \\ Needs also code from A318314. %Y A318315 Cf. A318314. %Y A318315 Cf. also A046645, A317946, A318451, A318455. %K A318315 nonn %O A318315 1,4 %A A318315 _Antti Karttunen_ and _Andrew Howroyd_, Aug 29 2018