login
A250615
Number of (n+1)X(3+1) 0..2 arrays with nondecreasing maximum of every two consecutive values in every row and column
1
2704, 71610, 1690656, 32944614, 595652178, 9955305702, 159191945604, 2447786874761, 36658965039940, 537101491175460, 7742699987325454, 110146944374439952, 1550863271320446778, 21652702233916294607
OFFSET
1,1
COMMENTS
Column 3 of A250620
LINKS
EXAMPLE
Some solutions for n=2
..0..1..2..1....0..0..2..0....1..2..2..1....1..1..1..0....0..0..1..1
..2..2..2..1....0..2..1..2....1..2..2..0....2..1..2..1....1..2..2..0
..1..0..1..0....2..1..2..0....1..1..2..1....1..1..2..2....1..0..1..2
CROSSREFS
Sequence in context: A254813 A358430 A270542 * A193172 A367668 A281838
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2014
STATUS
approved