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 A188414 #6 Jul 22 2025 11:11:44 %S A188414 652,282349,57967660,6720357785,498407294632,25784105550034, %T A188414 990154499577167 %N A188414 Number of (7*n)X7 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row. %C A188414 Column 7 of A188416 %e A188414 Some solutions for 14X7 %e A188414 ..1..0..0..0..0..1..1....1..0..0..0..0..1..0....1..0..0..1..0..0..1 %e A188414 ..1..0..0..0..0..0..0....1..0..0..0..0..0..0....1..0..0..0..0..0..1 %e A188414 ..0..1..0..1..0..0..0....0..1..0..1..1..0..0....0..1..0..1..1..0..0 %e A188414 ..0..1..0..0..0..1..0....0..1..0..0..0..0..1....0..1..0..0..0..0..0 %e A188414 ..0..0..1..0..0..0..0....0..0..1..1..0..0..0....0..0..1..0..1..0..0 %e A188414 ..0..0..1..0..0..0..0....0..0..1..0..0..0..1....0..0..1..0..0..1..0 %e A188414 ..0..0..0..1..1..0..0....0..0..0..0..1..0..0....0..0..0..0..0..1..0 %e A188414 ..0..0..0..0..1..0..0....0..0..0..0..0..1..0....0..0..0..0..0..0..0 %e A188414 ..0..0..0..0..0..0..1....0..0..0..0..0..0..0....0..0..0..0..0..0..0 %e A188414 ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0 %e A188414 ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0 %e A188414 ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0 %e A188414 ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0 %e A188414 ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0 %K A188414 nonn %O A188414 1,1 %A A188414 _R. H. Hardin_ Mar 30 2011