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 A245711 #6 Aug 11 2014 22:22:49
%S A245711 1,2,3,5,7,4,19,10,35,9,17,139,107,6,37,36,23,13,555,229,87,22,275,
%T A245711 1676,39,11,27,68,63,326,137,28,4435,18,53,147,25,8,6819,9388,995,16,
%U A245711 155,73,3659,14,533,838,145,20,49,851,29,587,535,403,4179,26,501,1059,1611,1163,69,152,663,51,283,222,181,21
%N A245711 Permutation of natural numbers, odd bisection of A245705 incremented by one and halved: a(n) = (1+A245705((2*n)-1)) / 2.
%H A245711 Antti Karttunen, <a href="/A245711/b245711.txt">Table of n, a(n) for n = 1..10001</a>
%H A245711 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%F A245711 a(n) = (1+A245705((2*n)-1)) / 2.
%o A245711 (PARI)
%o A245711 A245711(n) = (1+A245705((2*n)-1))/2;
%o A245711 for(n=1, 10001, write("b245711.txt", n, " ", A245711(n)));
%o A245711 \\ For the rest of code, see under A245705.
%o A245711 (Scheme) (define (A245711 n) (/ (+ 1 (A245705 (+ n n -1))) 2))
%Y A245711 Inverse: A245712.
%Y A245711 Cf. A245705, A245605.
%K A245711 nonn
%O A245711 1,2
%A A245711 _Antti Karttunen_, Jul 30 2014