A254803 - OEIS

%I #4 Feb 08 2015 09:17:37

%S 2201616,4771368,11836406,34896603,105040512,253515215,434785178,

%T 1133168035,3388002996,9547411698,26675577140,69844593335,

%U 198216306984,551414962883,1593064659184,4364229224264,12092092436966,33432090895408

%N Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Column 7 of A254804

%H R. H. Hardin, <a href="/A254803/b254803.txt">Table of n, a(n) for n = 1..61</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 08 2015