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 A257735 #6 May 10 2015 11:00:16 %S A257735 1,2,3,4,5,6,7,8,17,10,9,12,25,14,13,16,57,34,33,20,49,18,11,24,105, %T A257735 50,19,28,29,26,15,32,153,114,113,68,385,66,65,40,769,98,97,36,81,22, %U A257735 21,48,609,210,209,100,133,38,37,56,1537,58,35,52,257,30,27,64,1953,306,163,228,1409,226,225,136,13313,770,99 %N A257735 Permutation of natural numbers: a(n) = A257725(A183089(n)). %H A257735 Antti Karttunen, <a href="/A257735/b257735.txt">Table of n, a(n) for n = 1..512</a> %H A257735 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A257735 a(n) = A257725(A183089(n)). %o A257735 (Scheme) (define (A257735 n) (A257725 (A183089 n))) %Y A257735 Inverse: A257736. %Y A257735 Cf. A183089, A257725, A257737. %K A257735 nonn %O A257735 1,2 %A A257735 _Antti Karttunen_, May 09 2015