A253997 Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

222400, 2136758, 25361960, 271991670, 3087530706, 36583132201, 431011794558, 5032480618482, 59338976522704, 700108553022880, 8240317302122614, 97069773060067528, 1144201403386980008, 13479910562119434692

Offset

1,1

Comments

Row 5 of A253993

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A046396 A083640 A253990 * A258907 A253739 A274809

Adjacent sequences: A253994 A253995 A253996 * A253998 A253999 A254000

Keyword

nonn

Author

R. H. Hardin, Jan 21 2015

Status

approved