A253966 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

2154496, 56216811, 1798654745, 55018824334, 1717613401125, 54401550145686, 1719031661674233, 54218450894725702, 1712195435594641333, 54026245546814335085, 1705236631977286206609, 53820119171369190530609

Offset

1,1

Comments

Row 6 of A253961

Links

R. H. Hardin, Table of n, a(n) for n = 1..46

Example

Some solutions for n=1
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..1..0..1....1..0..1....1..0..1....0..0..0....0..0..1....0..0..1....0..0..0
..0..1..0....0..0..0....0..0..0....0..0..0....0..1..1....1..0..0....0..0..0
..0..1..0....0..0..0....0..0..0....0..0..0....0..1..1....0..0..1....0..1..1
..0..0..0....0..0..1....0..0..0....0..0..1....0..0..1....1..1..0....1..0..1
..0..0..0....0..0..0....1..0..1....0..0..0....0..1..1....0..0..1....0..1..0
..1..0..1....0..1..1....1..1..1....0..0..1....1..1..1....1..1..0....1..1..1
..1..1..1....1..0..1....0..0..1....1..0..0....0..1..1....1..0..1....0..0..0

Crossrefs

Sequence in context: A184476 A144587 A253959 * A253762 A154874 A258421

Adjacent sequences: A253963 A253964 A253965 * A253967 A253968 A253969

Keyword

nonn

Author

R. H. Hardin, Jan 20 2015

Status

approved