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 A278111 #9 Sep 08 2022 08:46:17 %S A278111 2,1,8,4,2,2,1,1,1,1,18,9,6,4,3,3,2,2,2,1,1,1,1,1,1,1,1,1,32,16,10,8, %T A278111 6,5,4,4,3,3,2,2,2,2,2,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,50,25,16,12, %U A278111 10,8,7,6,5,5,4,4,3,3,3,3,2,2,2,2,2,2,2,2,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1 %N A278111 Triangle T(n,k) = floor(2n^2/k) for 1 <= k <= 2n^2, read by rows. %H A278111 Jason Kimberley, <a href="/A278111/b278111.txt">Table of i, a(i) for i = 1..11050 (T(n,k) for n = 1..25)</a> %F A278111 T(n,k) = A010766(2n^2,k). %e A278111 The first five rows are: %e A278111 2, 1; %e A278111 8, 4, 2, 2, 1, 1, 1, 1; %e A278111 18, 9, 6, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1; %e A278111 32, 16, 10, 8, 6, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1; %e A278111 50, 25, 16, 12, 10, 8, 7, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1; %o A278111 (Magma) %o A278111 A278111:=func<n,k|(2*n^2)div k>; %o A278111 [A278111(n,k):k in[1..2*n^2],n in[1..5]]; %Y A278111 Cf. A277646. %K A278111 nonn,tabf,easy %O A278111 1,1 %A A278111 _Jason Kimberley_, Feb 08 2017