login
Number of (n+2)X(4+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 10:03:07

%S 114880,2523008,51322752,1018596736,20457240960,410404894080,

%T 8174961189248,161730929847680,3210076521423232,63595517330730368,

%U 1259132794238247296,24922530212660579712,493146954808216772992

%N Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Column 4 of A254491

%H R. H. Hardin, <a href="/A254487/b254487.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 31 2015