login
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
1
12552, 271292, 5802892, 117244060, 2545423850, 54765533116, 1229739987068, 25859231001772, 572677142025500, 12256839365619344, 274446812486494650, 5811968228325930212, 129277784383589027936, 2756845598807837512512
OFFSET
1,1
COMMENTS
Column 3 of A237911
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 15 2014
STATUS
approved