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 A245712 #6 Aug 11 2014 22:23:06
%S A245712 1,2,3,6,4,14,5,38,10,8,26,330,18,46,283,42,11,34,7,50,70,22,17,326,
%T A245712 37,58,27,32,53,9590,554,4438,278,174,9,16,15,142,25,226,146,658,105,
%U A245712 310,1190,806,1770,524,51,5258,66,5302,35,518,17739,1054,19030,542,5550,8054,35498,4434,29,810,1106,72,75,28,63,166,83,150,44
%N A245712 Permutation of natural numbers, odd bisection of A245706 incremented by one and halved: a(n) = (1+A245706((2*n)-1)) / 2.
%H A245712 Antti Karttunen, <a href="/A245712/b245712.txt">Table of n, a(n) for n = 1..10001</a>
%H A245712 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%F A245712 a(n) = (1+A245706((2*n)-1)) / 2.
%o A245712 (PARI)
%o A245712 A245712(n) =(1+A245706((2*n)-1))/2;
%o A245712 for(n=1, 10001, write("b245712.txt", n, " ", A245712(n)));
%o A245712 \\ For the rest of code, see under A245706.
%o A245712 (Scheme) (define (A245712 n) (/ (+ 1 (A245706 (+ n n -1))) 2))
%Y A245712 Inverse: A245711.
%Y A245712 Cf. A245706, A245606.
%K A245712 nonn
%O A245712 1,2
%A A245712 _Antti Karttunen_, Jul 30 2014