A254098 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

42580424, 8345076092, 1797518333568, 360366996893272, 73410212260111376, 15064294240774906764, 3076463598348748891236, 628666550662755790420160, 128538371787649827712304552, 26272866780707889640382975008

Offset

1,1

Comments

Row 7 of A254092

Links

R. H. Hardin, Table of n, a(n) for n = 1..62

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..0....0..0..1....1..0..1....1..0..1....1..0..1....1..0..1....0..0..0
..0..1..0....0..0..0....0..1..0....0..0..0....0..1..0....0..0..0....0..1..0
..0..0..1....1..0..1....0..0..0....1..0..1....1..0..1....1..0..1....1..0..0
..1..0..1....0..0..0....0..0..0....1..1..1....1..0..1....1..1..1....0..1..0
..0..0..1....1..0..1....1..0..1....0..0..1....1..0..0....1..0..1....1..0..1
..1..1..0....0..0..0....0..1..0....1..0..0....0..0..1....0..1..0....0..0..0
..1..0..0....0..0..1....1..1..1....1..0..1....1..1..1....1..1..1....1..1..0
..1..0..0....0..1..1....0..1..0....0..1..1....0..0..1....0..1..1....0..0..1

Crossrefs

Sequence in context: A263561 A213737 A254091 * A276714 A187963 A028520

Adjacent sequences: A254095 A254096 A254097 * A254099 A254100 A254101

Keyword

nonn

Author

R. H. Hardin, Jan 25 2015

Status

approved