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 A188393 #9 May 18 2020 03:01:12 %S A188393 1,8,410,154279,335279744,3037611501499,85864898797026630, %T A188393 6108049486793195602061,940799711096710781211340486, %U A188393 282034644651263093966900548272466,152112222253533154849862379093617650250,138939503191252353429488898422015410111981523 %N A188393 Number of (7*n) X n binary arrays with rows in nonincreasing order and 7 ones in every column. %e A188393 All solutions for 14 X 2: %e A188393 ..1..1....1..0....1..1....1..1....1..1....1..1....1..1....1..1 %e A188393 ..1..1....1..0....1..1....1..0....1..1....1..1....1..1....1..1 %e A188393 ..1..1....1..0....1..1....1..0....1..0....1..1....1..1....1..1 %e A188393 ..1..1....1..0....1..1....1..0....1..0....1..1....1..0....1..1 %e A188393 ..1..1....1..0....1..0....1..0....1..0....1..1....1..0....1..1 %e A188393 ..1..1....1..0....1..0....1..0....1..0....1..1....1..0....1..0 %e A188393 ..1..1....1..0....1..0....1..0....1..0....1..0....1..0....1..0 %e A188393 ..0..0....0..1....0..1....0..1....0..1....0..1....0..1....0..1 %e A188393 ..0..0....0..1....0..1....0..1....0..1....0..0....0..1....0..1 %e A188393 ..0..0....0..1....0..1....0..1....0..1....0..0....0..1....0..0 %e A188393 ..0..0....0..1....0..0....0..1....0..1....0..0....0..1....0..0 %e A188393 ..0..0....0..1....0..0....0..1....0..1....0..0....0..0....0..0 %e A188393 ..0..0....0..1....0..0....0..1....0..0....0..0....0..0....0..0 %e A188393 ..0..0....0..1....0..0....0..0....0..0....0..0....0..0....0..0 %Y A188393 Row 7 of A188392. %K A188393 nonn %O A188393 1,2 %A A188393 _R. H. Hardin_, Mar 30 2011 %E A188393 a(7)-a(12) from _Andrew Howroyd_, May 17 2020