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 A254050 #6 Feb 01 2015 09:59:34 %S A254050 1,3,5,7,11,13,17,19,9,23,29,15,31,37,41,43,25,47,21,53,59,33,61,67, %T A254050 71,35,73,79,39,83,55,51,89,97,101,103,107,109,57,65,49,27,113,127,85, %U A254050 131,137,77,69,139,149,87,151,95,157,163,121,167,45,173,179,93,91,181,191,193,197,115,111,119,199,123 %N A254050 Permutation of odd numbers: a(n) = (2*(A249745(n))) - 1 = A064989(A007310(n)). %H A254050 Antti Karttunen, <a href="/A254050/b254050.txt">Table of n, a(n) for n = 1..8191</a> %F A254050 a(n) = (2*(A249745(n))) - 1. %F A254050 a(n) = A064989(A007310(n)). %o A254050 (Scheme, two versions) %o A254050 (define (A254050 n) (+ -1 (* 2 (A249745 n)))) %o A254050 (define (A254050 n) (A064989 (A007310 n))) %Y A254050 Cf. A007310, A064989, A249745, A254049, A254051, A254053. %K A254050 nonn %O A254050 1,2 %A A254050 _Antti Karttunen_, Jan 26 2015