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A109812(2k+1).
6

%I #9 Jun 03 2018 11:07:56

%S 1,4,8,10,6,18,17,32,24,20,36,40,34,48,64,41,25,65,37,23,27,35,67,80,

%T 88,29,129,97,45,132,69,73,74,70,71,51,131,192,160,144,84,54,46,134,

%U 194,138,162,146,139,133,196,256,208,62,55,258,322,83,89,264,161,145,152,148,135,259,163,90,266,154,106,288

%N A109812(2k+1).

%C It appears that this is the same as A305369(4k+3)/2.

%C This is an (apparent) link between A109812 and A305369, and a formula or recurrence would benefit both sequences.

%H N. J. A. Sloane, <a href="/A305372/b305372.txt">Table of n, a(n) for n = 0..4999</a>

%Y Cf. A109812, A305369.

%Y The graphs of A109812, A252867, A305369, A305372 all have roughly the same, mysterious, fractal-like structure. - _N. J. A. Sloane_, Jun 03 2018

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Jun 02 2018