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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.

A222861 Number of nX7 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope.

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%I A222861 #5 Jul 23 2025 03:10:56
%S A222861 74,957,70818,1672630,123774620,4591340316,391515458264,
%T A222861 17450875607453,1511308709957178,79588923349819304,6846350333965041900
%N A222861 Number of nX7 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope.
%C A222861 Column 7 of A222862
%e A222861 Some solutions for n=3
%e A222861 ..0..0..1..1..0..1..0....0..1..0..0..0..1..0....1..0..0..0..0..1..1
%e A222861 ..0..0..0..0..0..1..0....1..0..1..1..1..0..1....1..0..0..0..0..1..1
%e A222861 ..1..0..1..1..1..1..1....0..1..1..0..1..1..1....1..1..0..1..0..1..1
%K A222861 nonn
%O A222861 1,1
%A A222861 _R. H. Hardin_ Mar 07 2013

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