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 A082330 #6 Mar 31 2012 14:02:19 %S A082330 1,2,4,3,5,9,10,8,6,7,12,13,11,14,23,24,27,26,28,22,25,20,15,16,21,18, %T A082330 17,19,32,33,35,36,37,31,34,29,30,39,40,41,38,42,65,66,69,68,70,78,79, %U A082330 77,74,75,82,83,81,84,64,67,76,73,80,62,71,57,43,44,58,46,45,47 %N A082330 Permutation of positive natural numbers: a(n) = A082328(n-1)+1. %H A082330 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %Y A082330 Inverse of A082329. a(n) = A082854(A082326(A081291(n-1))). %K A082330 nonn %O A082330 1,2 %A A082330 _Antti Karttunen_, Apr 17 2003