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 A318663 #5 Sep 03 2018 23:01:40 %S A318663 0,0,1,0,1,1,1,1,3,1,1,1,1,1,2,1,1,3,1,1,2,1,1,2,3,1,4,1,1,2,1,1,2,1, %T A318663 2,3,1,1,2,2,1,2,1,1,4,1,1,2,3,3,2,1,1,4,2,2,2,1,1,2,1,1,4,3,2,2,1,1, %U A318663 2,2,1,4,1,1,4,1,2,2,1,2,7,1,1,2,2,1,2,2,1,4,2,1,2,1,2,2,1,3,4,3,1,2,1,2,3 %N A318663 The 2-adic valuation of A318662. %H A318663 Antti Karttunen, <a href="/A318663/b318663.txt">Table of n, a(n) for n = 1..65537</a> %F A318663 a(n) = A007814(A318662(n)). %o A318663 (PARI) \\ Use the program given in A318662. %Y A318663 Cf. A007814, A318662. %K A318663 nonn %O A318663 1,9 %A A318663 _Antti Karttunen_, Sep 03 2018