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 A305372 #9 Jun 03 2018 11:07:56 %S A305372 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 A305372 88,29,129,97,45,132,69,73,74,70,71,51,131,192,160,144,84,54,46,134, %U A305372 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 A305372 A109812(2k+1). %C A305372 It appears that this is the same as A305369(4k+3)/2. %C A305372 This is an (apparent) link between A109812 and A305369, and a formula or recurrence would benefit both sequences. %H A305372 N. J. A. Sloane, <a href="/A305372/b305372.txt">Table of n, a(n) for n = 0..4999</a> %Y A305372 Cf. A109812, A305369. %Y A305372 The graphs of A109812, A252867, A305369, A305372 all have roughly the same, mysterious, fractal-like structure. - _N. J. A. Sloane_, Jun 03 2018 %K A305372 nonn %O A305372 0,2 %A A305372 _N. J. A. Sloane_, Jun 02 2018