A253760 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally and vertically

82064, 1135439, 17235224, 259418152, 3910850069, 59192461388, 905139371305, 13773651088674, 210205418977063, 3197332778032060, 48751981977524957, 741871790268964168, 11303138320941955297, 172011812879115941672

Offset

1,1

Comments

Column 4 of A253764

Links

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

Example

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

Crossrefs

Sequence in context: A330872 A253957 A253964 * A204667 A288472 A162184

Adjacent sequences: A253757 A253758 A253759 * A253761 A253762 A253763

Keyword

nonn

Author

R. H. Hardin, Jan 11 2015

Status

approved