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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.

A223822 Number of nX5 0..3 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 A223822 #5 Jul 23 2025 04:34:13
%S A223822 112,112,12544,25080,6121472,16748672,9452644096,30528090112,
%T A223822 25629932950272,97611223722496,97507572620738560,409423071194196800,
%U A223822 454232423119094753280,2052359150118139990016,2439317974403896414082688
%N A223822 Number of nX5 0..3 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 A223822 Column 5 of A223824
%e A223822 Some solutions for n=4
%e A223822 ..2..1..0..1..2....1..1..2..3..0....1..3..0..1..2....0..2..2..2..0
%e A223822 ..0..0..0..0..0....1..3..1..1..2....0..1..2..1..0....1..2..3..0..2
%e A223822 ..3..0..0..0..3....1..3..1..1..2....0..1..2..1..0....1..2..0..0..2
%e A223822 ..1..1..0..1..1....1..1..2..3..0....1..3..0..1..2....0..2..3..2..0
%K A223822 nonn
%O A223822 1,1
%A A223822 _R. H. Hardin_ Mar 27 2013

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