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%I #8 Sep 11 2014 18:57:48
%S 1,2,4,3,8,16,5,32,64,9,128,6,7,256,512,13,10,1024,21,2048,4096,11,
%T 8192,12,25,16384,18,33,32768,65536,19,26,131072,37,262144,524288,17,
%U 20,1048576,15,2097152,42,45,4194304,36,57,50,8388608,27,16777216,33554432,29,67108864,134217728,61,268435456,66,43,52,24,73,14
%N Permutation of natural numbers, even bisection of A246675 halved: a(n) = A246675(2*n)/2.
%C Equally: even bisection of A246677 halved.
%H Antti Karttunen, <a href="/A246679/b246679.txt">Table of n, a(n) for n = 1..1024</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%F a(n) = A246675(2*n)/2.
%F a(n) = A246677(2*n)/2.
%o (Scheme) (define (A246679 n) (/ (A246675 (* 2 n)) 2))
%Y Inverse: A246680.
%Y Cf. A246675, A246677.
%Y a(n) differs from A244153(n+1) for the first time at n=16, where a(16) = 13, while A244153(17) = 17.
%K nonn
%O 1,2
%A _Antti Karttunen_, Sep 02 2014
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