login
Number of (n+2)X(3+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 10:02:22

%S 19456,278848,3912576,50028672,640020096,8348864128,109168144000,

%T 1413241384576,18387122007680,238919596322432,3105091464081024,

%U 40365421515320960,524818036499951232,6821133051554639488

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

%C Column 3 of A254491

%H R. H. Hardin, <a href="/A254486/b254486.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A254486/a254486.txt">Empirical recurrence of order 66</a>

%F Empirical recurrence of order 66 (see link above)

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 31 2015