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A251163 Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements 1

%I

%S 12001,172457,1452052,12191612,109831980,1007412975,9109822648,

%T 82472830043,753010290232,6882787491176,62720467027182,

%U 570967418260774,5201513774032803,47402120352175424,431881041308586668

%N Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements

%C Column 4 of A251167

%H R. H. Hardin, <a href="/A251163/b251163.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..0..0..2..2..3....0..1..1..2..3....2..0..0..1..3....0..2..3..3..3

%e ..0..0..0..1..2....0..0..0..0..2....2..0..0..0..2....2..0..0..0..2

%e ..3..1..0..0..2....2..1..0..0..0....3..3..3..1..0....2..1..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 30 2014

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Last modified June 28 21:04 EDT 2022. Contains 354907 sequences. (Running on oeis4.)