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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.

A223745 Number of nX5 0..2 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope.

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%I A223745 #5 Jul 23 2025 04:27:15
%S A223745 39,39,1521,1521,144495,162583,21793395,30730023,6934356117,
%T A223745 9808559487,2895682234887,4474602111861,1576942337224917
%N A223745 Number of nX5 0..2 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope.
%C A223745 Column 5 of A223747
%e A223745 Some solutions for n=3
%e A223745 ..2..2..1..2..2....2..2..1..2..2....2..0..2..0..2....0..0..2..0..0
%e A223745 ..1..0..1..0..1....1..0..0..2..0....2..0..1..2..1....0..1..1..1..0
%e A223745 ..2..2..1..2..2....2..2..1..2..2....2..0..2..0..2....0..0..2..0..0
%K A223745 nonn
%O A223745 1,1
%A A223745 _R. H. Hardin_ Mar 27 2013

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