A254388 - OEIS

A254388

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

%I #7 Mar 03 2024 11:27:51

%S 5659548,623732385,73650997253,7980237415038,888855697665528,

%T 99661265319327258,11088064556797882883,1236684605022204911362,

%U 137991192206912153123794,15387689249403606576378884,1716296382095803543443832674,191436678705537555963971436038

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

%H R. H. Hardin, <a href="/A254388/b254388.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%Y Column 6 of A254390.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 29 2015