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A251248 Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements 1

%I #4 Dec 01 2014 07:13:01

%S 24095475,91345992921,345878548314469,1309640978922956217,

%T 4958824382557190011939,18776074467676820865893649,

%U 71093648993125363900542904561,269188685349250291174788288004161

%N Number of (n+1)X(7+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements

%C Column 7 of A251249

%H R. H. Hardin, <a href="/A251248/b251248.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 01 2014

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)