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 A182639 #5 Mar 30 2012 18:57:11 %S A182639 0,1,0,6,2,0,25,12,4,0,98,50,23,5,0,377,196,96,30,7,0,1445,755,375, %T A182639 125,40,8,0,5534,2895,1443,489,166,479,0,21189,11088,5532,1882,648, %U A182639 196,53,11,0,81122,42454,21186,7215,2494,767,221,64,12,0,310571 %N A182639 Lower Beatty array of sqrt(2). %C A182639 Upper and lower Beatty arrays U and L are defined in general at A181661. Notation: U(n,k) and L(n,k) for n>=1 and k>=0. %e A182639 Northwest corner of L: %e A182639 0...1....6...25....98... %e A182639 0...2...12...50...196... %e A182639 0...4...23...96...375... %e A182639 0...5...30..125...489... %Y A182639 Cf. A181661, A181886, A182638. %K A182639 nonn,tabl %O A182639 1,4 %A A182639 _Clark Kimberling_, Nov 22 2010