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 A184814 #13 Jul 01 2017 02:55:36 %S A184814 1,4,6,9,11,13,16,19,20,23,25,28,31,32,35,38,40,42,45,47,50,52,54,57, %T A184814 59,62,64,66,69,71,74,76,78,81,84,85,88,91,93,95,97,100,103,105,107, %U A184814 110,112,115,116,119,122,124,127,129,131,134,137,138,141,143,146,149,150,153,156,158 %N A184814 n+[nr/t]+[ns/t], where r=sqrt(2), s=sqrt(3), t=sqrt(5), and []=floor. %C A184814 See A184812. %H A184814 G. C. Greubel, <a href="/A184814/b184814.txt">Table of n, a(n) for n = 1..10000</a> %t A184814 (See A184812.) %o A184814 (PARI) a(n) = n + floor(n*sqrt(2/5)) + floor(n*sqrt(3/5)); \\ _Michel Marcus_, Jul 01 2017 %Y A184814 Cf. A184812, A184813. %K A184814 nonn %O A184814 1,2 %A A184814 _Clark Kimberling_, Jan 22 2011