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 A108612 #2 Mar 30 2012 17:26:17 %S A108612 1,4,9,16,25,42,56,72,90,110,143,168,195,224,255,304,340,378,418,460, %T A108612 504,572,621,672,725,780,864,924,986,1050,1116,1216,1287,1360,1435, %U A108612 1512,1591,1710,1794,1880,1968,2058,2193,2288,2385,2484,2585,2736,2842,2950 %N A108612 Beatty-2 (or nested Beatty) sequence for 1/sin(1). %F A108612 a(n) = floor(n*floor(n/sin(1))). %Y A108612 Cf. A023800, A031943, A037918, A039215, A043091, A047253, A108120, A108611, A108613. %K A108612 nonn %O A108612 1,2 %A A108612 _Zak Seidov_, Jun 13 2005