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 A286459 #6 May 14 2017 15:55:43 %S A286459 1,1,2,13,3,24,85,25,112,201,5,242,61,15,451,723,64,87,842,393,1107, %T A286459 1355,113,1407,137,22,1744,204,844,2181,2891,313,67,3203,657,3703, %U A286459 4056,243,196,4424,55,4908,196,795,5521,2384,2741,1062,6507,250,7574,8460,651,8590,9122,1935,9393,597,559,1249,833,1507,613,9391,4155,12492,5949,513 %N A286459 Permuted compound filter: a(n) = A286458(A064216(n)). %C A286459 For all i, j: a(i) = a(j) => A285705(i) = A285705(j). %H A286459 Antti Karttunen, <a href="/A286459/b286459.txt">Table of n, a(n) for n = 1..10000</a> %F A286459 a(n) = A286458(A064216(n)). %o A286459 (Scheme) (define (A286459 n) (A286458 (A064216 n))) %Y A286459 Cf. A064216, A285705, A286458. %K A286459 nonn %O A286459 1,3 %A A286459 _Antti Karttunen_, May 14 2017