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A254489 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #4 Jan 31 2015 10:04:25

%S 3727552,186999040,8552031360,410218207872,18812857512320,

%T 871411470160000,39860323285338752,1827469551074952320,

%U 83709155693842678400,3847122344420401165440,176332171765012162587264

%N Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Column 6 of A254491

%H R. H. Hardin, <a href="/A254489/b254489.txt">Table of n, a(n) for n = 1..198</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 31 2015

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Last modified April 25 16:38 EDT 2024. Contains 371989 sequences. (Running on oeis4.)