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 A057512 #7 May 01 2014 02:48:29 %S A057512 0,1,2,3,4,6,5,7,8,9,14,10,16,19,11,15,12,17,20,13,18,21,22,23,37,24, %T A057512 42,51,25,38,26,44,53,27,47,56,60,28,39,29,43,52,30,40,31,45,54,34,46, %U A057512 57,61,33,41,32,48,55,35,49,58,62,36,50,59,63,64,65,107,66,121,149,67 %N A057512 Permutation of natural numbers: rotations of all branches of the rooted plane trees encoded by A014486. (to opposite direction of A057511). %H A057512 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %p A057512 # See A057510 for rotateR, A057501 for other procedures. %p A057512 map(CatalanRankGlobal,map(DeepRotateR, A014486)); %p A057512 DeepRotateR := n -> pars2binexp(deeprotateR(binexp2pars(n))); %p A057512 deeprotateR := proc(a) if 0 = nops(a) or list <> whattype(a) then (a) else rotateR(map(deeprotateR,a)); fi; end; %Y A057512 Inverse permutation: A057511. Cycle counts: A057513. %K A057512 nonn %O A057512 0,3 %A A057512 _Antti Karttunen_, Sep 03 2000