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A204306 Number of (n+1)X5 0..3 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards 1
162000, 15057392, 1271789125, 59151473070, 2692305415538, 78592862286558, 2280158782254760, 47375179742331854, 981488838289977946, 15710084391826908480, 250882297840940220789, 3265738290778768165918 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A204309
LINKS
EXAMPLE
Some solutions for n=4
..2..1..1..0..2....0..2..3..0..1....1..1..3..2..0....1..0..2..2..0
..1..0..2..1..2....1..1..1..3..3....1..0..0..1..3....1..3..0..3..3
..2..1..1..3..1....1..2..3..3..2....2..2..3..2..3....2..3..3..3..0
..0..1..1..2..1....1..1..2..3..3....1..3..1..3..3....1..3..0..3..3
..1..2..1..3..1....3..2..3..3..2....3..3..3..3..3....2..3..3..3..3
CROSSREFS
Sequence in context: A349774 A184474 A114669 * A120409 A253466 A225811
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 14 2012
STATUS
approved

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Last modified February 24 07:07 EST 2024. Contains 370294 sequences. (Running on oeis4.)