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 A189396 #9 Sep 22 2017 03:00:25 %S A189396 4,8,14,18,24,28,33,38,43,48,52,57,62,67,72,77,82,87,91,96,101,106, %T A189396 111,115,121,125,131,135,141,145,149,155,159,165,169,174,179,184,189, %U A189396 193,198,203,208,213,218,223,228,232,238,242,247,252,256,262,266,272,276,282,286,290,296,300,306,310,315,320,325,330,335,339,344,349,354,359,364,369,373,379,383,388,393,397,403 %N A189396 a(n) = n + [n*r/s] + [n*t/s]; r=1, s=1/sqrt(2), t=sqrt(3). %C A189396 See A189395. %H A189396 G. C. Greubel, <a href="/A189396/b189396.txt">Table of n, a(n) for n = 1..1000</a> %t A189396 r=1; s=2^(-1/2); t=3^(1/2); %t A189396 a[n_] := n + Floor[n*s/r] + Floor[n*t/r]; %t A189396 b[n_] := n + Floor[n*r/s] + Floor[n*t/s]; %t A189396 c[n_] := n + Floor[n*r/t] + Floor[n*s/t] %t A189396 Table[a[n], {n, 1, 120}] (*A189395*) %t A189396 Table[b[n], {n, 1, 120}] (*A189396*) %t A189396 Table[c[n], {n, 1, 120}] (*A189397*) %Y A189396 Cf. A189395, A189397. %K A189396 nonn %O A189396 1,1 %A A189396 _Clark Kimberling_, Apr 21 2011