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 A083051 #3 Mar 30 2012 18:36:33 %S A083051 1,4,7,11,14,18,21,24,28,31,35,38,41,45,48,52,55,59,62,65,69,72,76,79, %T A083051 82,86,89,93,96,100,103,106,110,113,117,120,123,127,130,134,137,140, %U A083051 144,147,151,154,158,161,164,168,171,175,178,181,185,188,192,195,199,202 %N A083051 First column of table A083050. %F A083051 a(n)=floor(n*x/(x-1))+1, x=sqrt(2). %Y A083051 Cf. A083044, A083047, A083050. %K A083051 nonn %O A083051 0,2 %A A083051 _Paul D. Hanna_, Apr 18 2003