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A204226 Number of (n+1)X5 0..2 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards 1
11100, 312001, 8183170, 129062037, 2019310610, 21958547501, 239090847020, 1998393334223, 16732354210738, 114864924928762, 789227515822757, 4651328406696920, 27416959362534398, 143142975020535966 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A204230
LINKS
EXAMPLE
Some solutions for n=4
..2..1..1..1..2....0..0..2..1..1....2..1..1..1..2....1..2..0..1..1
..0..2..1..2..1....2..0..0..1..2....0..2..2..2..1....0..1..2..2..2
..2..1..1..1..2....0..0..2..2..0....1..2..1..2..2....1..2..0..1..2
..1..1..2..1..2....0..2..0..2..2....1..2..2..2..1....1..1..2..2..2
..1..2..0..2..1....2..2..2..2..2....2..2..1..2..2....2..1..1..1..2
CROSSREFS
Sequence in context: A300562 A253378 A253371 * A235440 A235405 A360034
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 13 2012
STATUS
approved

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Last modified February 28 18:11 EST 2024. Contains 370400 sequences. (Running on oeis4.)