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 A190706 #6 Mar 18 2023 09:06:35
%S A190706 3,10,14,18,21,25,29,33,36,40,44,48,51,55,59,66,70,74,77,81,85,89,92,
%T A190706 96,100,107,111,115,118,122,126,130,133,137,141,145,148,152,156,163,
%U A190706 167,171,174,178,182,186,189,193,197,201,204,208,212,219,223,227,230,234,238,242,245,249,253,257,260,264,268,275,279,283,286,290
%N A190706 Positions of 1 in A190704.
%C A190706 See A190704.
%t A190706 (See A190704.)
%t A190706 Position[With[{r=Sqrt[3],nn=300},Table[Floor[(4n+2)r]-4Floor[n r]-Floor[2r],{n,nn}]],1]//Flatten (* _Harvey P. Dale_, Mar 18 2023 *)
%Y A190706 Cf. A190704.
%K A190706 nonn
%O A190706 1,1
%A A190706 _Clark Kimberling_, May 17 2011