A237907 Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

12552, 271292, 5802892, 117244060, 2545423850, 54765533116, 1229739987068, 25859231001772, 572677142025500, 12256839365619344, 274446812486494650, 5811968228325930212, 129277784383589027936, 2756845598807837512512

Offset

1,1

Comments

Column 3 of A237911

Links

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

Example

Some solutions for n=1
..2..3..1..2....2..1..0..1....3..2..0..1....2..2..1..1....2..3..0..0
..0..2..3..2....0..2..3..1....1..1..2..3....1..0..3..3....0..1..0..1

Crossrefs

Sequence in context: A045217 A298313 A225151 * A251296 A205757 A205587

Adjacent sequences: A237904 A237905 A237906 * A237908 A237909 A237910

Keyword

nonn

Author

R. H. Hardin, Feb 15 2014

Status

approved