A253861 Number of (n+2) X (6+2) 0..1 arrays with every 3 X 3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically.

3727552, 196953728, 9090451328, 440235663616, 20237970640000, 940320056130304, 43112542683771520, 1976682724770244608, 90524327137135129728, 4159684840083660465152, 190684378608442052140160

Offset

1,1

Comments

Column 6 of A253863.

Links

R. H. Hardin, Table of n, a(n) for n = 1..184

Example

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

Crossrefs

Cf. A253863.

Sequence in context: A136287 A254496 A254489 * A114683 A184647 A233753

Adjacent sequences: A253858 A253859 A253860 * A253862 A253863 A253864

Keyword

nonn

Author

R. H. Hardin, Jan 17 2015

Status

approved