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 A058066 #11 Dec 17 2021 20:38:34 %S A058066 0,2,4,6,8,10,12,14,16,19,21,23,25,27,29,31,33,36,38,40,42,44,46,48, %T A058066 50,52,55,57,59,61,63,65,67,69,72,74,76,78,80,82,84,86,88,91,93,95,97, %U A058066 99,101,103,105,108,110,112,114,116,118,120,122,124,127 %N A058066 a(n) = floor(n*t), t = 1 + sqrt(5)/2. %Y A058066 Cf. A176055, A350092 (t^n), A000201 (phi*n). %K A058066 nonn,easy %O A058066 0,2 %A A058066 _N. J. A. Sloane_, Nov 24 2000