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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.

A188394 Number of (8*n) X n binary arrays with rows in nonincreasing order and 8 ones in every column.

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%I A188394 #8 May 18 2020 03:01:17
%S A188394 1,9,625,411180,2067951459,56145844958803,5878897478976883089,
%T A188394 1831628658711424019558504,1413561739206881774907508536243,
%U A188394 2374109597657754735102006133988615563,7893915426933380799680357236645251399639715,48348427353106609781034833166459980023688120512638
%N A188394 Number of (8*n) X n binary arrays with rows in nonincreasing order and 8 ones in every column.
%e A188394 All solutions for 16 X 2:
%e A188394 ..1..1....1..1....1..1....1..1....1..0....1..1....1..1....1..1....1..1
%e A188394 ..1..1....1..1....1..0....1..1....1..0....1..1....1..1....1..1....1..1
%e A188394 ..1..1....1..1....1..0....1..0....1..0....1..1....1..1....1..1....1..1
%e A188394 ..1..1....1..1....1..0....1..0....1..0....1..1....1..1....1..0....1..1
%e A188394 ..1..1....1..1....1..0....1..0....1..0....1..1....1..0....1..0....1..1
%e A188394 ..1..1....1..0....1..0....1..0....1..0....1..1....1..0....1..0....1..1
%e A188394 ..1..1....1..0....1..0....1..0....1..0....1..0....1..0....1..0....1..1
%e A188394 ..1..1....1..0....1..0....1..0....1..0....1..0....1..0....1..0....1..0
%e A188394 ..0..0....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1
%e A188394 ..0..0....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..0
%e A188394 ..0..0....0..1....0..1....0..1....0..1....0..0....0..1....0..1....0..0
%e A188394 ..0..0....0..0....0..1....0..1....0..1....0..0....0..1....0..1....0..0
%e A188394 ..0..0....0..0....0..1....0..1....0..1....0..0....0..0....0..1....0..0
%e A188394 ..0..0....0..0....0..1....0..1....0..1....0..0....0..0....0..0....0..0
%e A188394 ..0..0....0..0....0..1....0..0....0..1....0..0....0..0....0..0....0..0
%e A188394 ..0..0....0..0....0..0....0..0....0..1....0..0....0..0....0..0....0..0
%Y A188394 Row 8 of A188392.
%K A188394 nonn
%O A188394 1,2
%A A188394 _R. H. Hardin_, Mar 30 2011
%E A188394 a(7)-a(12) from _Andrew Howroyd_, May 17 2020

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