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 A249825 #13 Dec 18 2014 02:04:04 %S A249825 1,2,3,5,7,11,13,17,19,23,29,31,37,4,41,43,47,53,59,61,6,67,71,73,10, %T A249825 79,83,89,97,101,103,14,9,107,109,22,113,127,15,131,137,139,26,149, %U A249825 151,25,157,163,167,21,173,179,181,191,34,33,193,38,35,197,199,211,223,227,229,55,233,39,239,46,241,251,257,263,269,271,58,49 %N A249825 Permutation of natural numbers: a(n) = A246277(A084968(n)). %H A249825 Antti Karttunen, <a href="/A249825/b249825.txt">Table of n, a(n) for n = 1..8192</a> %H A249825 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A249825 a(n) = A246277(A084968(n)). %F A249825 As a composition of other permutations: %F A249825 a(n) = A249823(A250475(n)). %F A249825 a(n) = A064216(A249745(A250475(n))). [Composition of the first three rows of array A251721.] %o A249825 (Scheme) (define (A249825 n) (A246277 (A084968 n))) %Y A249825 Inverse: A249826. %Y A249825 Row 4 of A249821. %Y A249825 Cf. A084968, A246277, A251721, A064216, A249823, A249745, A250475. %K A249825 nonn,look %O A249825 1,2 %A A249825 _Antti Karttunen_, Dec 06 2014