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 A243354 #14 Jun 29 2014 00:08:13 %S A243354 0,1,3,2,7,6,15,5,4,14,31,13,63,30,12,10,127,9,255,29,28,62,511,26,8, %T A243354 126,11,61,1023,25,2047,21,60,254,24,18,4095,510,124,58,8191,57,16383, %U A243354 125,27,1022,32767,53,16,17,252,253,65535,22,56,122,508,2046,131071 %N A243354 Permutation of natural numbers which maps between the partitions as encoded in A112798 (prime-index based system, one-based) to A227739 (binary based system, zero-based). %C A243354 Note the indexing: the domain starts from one, but the range also includes zero. %H A243354 Antti Karttunen, <a href="/A243354/b243354.txt">Table of n, a(n) for n = 1..1024</a> %H A243354 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A243354 a(n) = A006068(A156552(n)). %F A243354 a(n) = A075158(A241909(n)-1). [With A075158's original starting offset]. %F A243354 For all n >= 1, A243353(a(n)) = n. %F A243354 A056239(n) = A227183(a(n)). %F A243354 A003963(n) = A227184(a(n)). %F A243354 A037481(n) = a(A002110(n)). %o A243354 (Scheme) (define (A243354 n) (A006068 (A156552 n))) %Y A243354 Inverse: A243353. %Y A243354 Cf. A227739, A112798, A006068, A156552, A075158, A241909. %K A243354 nonn %O A243354 1,3 %A A243354 _Antti Karttunen_, Jun 05 2014