A254780 - OEIS

A254780

Number of (6+2) X (n+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

%I #6 Jun 07 2021 14:44:38

%S 689386,5140919,72739438,914580497,13290735887,208503958572,

%T 3151627564633,47759500203672,736006068987777,11285940577868551,

%U 172779132530824114,2651252421429775351,40683066825964635995

%N Number of (6+2) X (n+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

%C Row 6 of A254775.

%H R. H. Hardin, <a href="/A254780/b254780.txt">Table of n, a(n) for n = 1..174</a>

%e Some solutions for n=1

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

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

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

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

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

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

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

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

%Y Cf. A254775.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 07 2015