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 A280502 #6 Jan 10 2017 19:13:58 %S A280502 1,2,3,4,5,1,1,8,3,3,11,2,13,2,15,16,17,1,1,1,1,22,23,4,25,26,5,4,29, %T A280502 5,31,32,33,15,13,2,37,2,39,2,41,2,43,44,15,13,47,8,11,50,51,52,3,3, %U A280502 55,8,57,11,59,3,61,62,3,64,5,31,67,5,69,26,71,4,73,74,75,4,77,29,25,4,81,82,29,4,85,25,87,88,89,5,91,26,31,94,5,16,97,22,99,100,23,17 %N A280502 a(n) = A280500(n, A280501(n)). %H A280502 Antti Karttunen, <a href="/A280502/b280502.txt">Table of n, a(n) for n = 1..8192</a> %H A280502 <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a> %H A280502 <a href="/index/Ge#GF2X">Index entries for sequences operating on polynomials in ring GF(2)[X]</a> %F A280502 a(n) = A280500(n, A280501(n)). %F A280502 Other identities. For all n >= 1: %F A280502 A048720(a(n), A280501(n)) = n. %o A280502 (Scheme) (define (A280502 n) (A280500bi n (A280501 n))) ;; Code for A280500bi given in A280500. %Y A280502 Cf. A193231, A280500, A280501, A280506, A280507. %Y A280502 Cf. A118666 (positions of ones). %K A280502 nonn,base %O A280502 1,2 %A A280502 _Antti Karttunen_, Jan 09 2017