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 A066704 #15 Jul 31 2023 09:33:18 %S A066704 1,1,2,1,3,3,1,6,4,4,1,10,5,5,5,1,20,15,6,6,6,1,35,21,7,7,7,7,1,70,28, %T A066704 28,8,8,8,8,1,126,84,36,9,9,9,9,9,1,252,120,45,45,10,10,10,10,10,1, %U A066704 462,165,55,55,11,11,11,11,11,11,1,924,495,220,66,66,12,12,12,12,12,12 %N A066704 Triangle with a(n,k) = C(n,floor(n/k)) with n>=k>=1. %H A066704 Seiichi Manyama, <a href="/A066704/b066704.txt">Rows n = 1..140, flattened</a> %e A066704 Rows start: %e A066704 1; %e A066704 1, 2; %e A066704 1, 3, 3; %e A066704 1, 6, 4, 4; %e A066704 1, 10, 5, 5, 5; %e A066704 ... %Y A066704 Row sums are A051054. %Y A066704 Columns include (most of) A000012, A001405, A051033, A051036, A051052, A051053, A062947 etc. %Y A066704 n appears A008619 times in the n-th row. %Y A066704 Cf. A060539. %K A066704 nonn,tabl %O A066704 1,3 %A A066704 _Henry Bottomley_, Jan 14 2002