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A224122 Number of nX4 0..3 arrays with row sums nondecreasing and column sums unimodal 0
130, 16782, 1703178, 145901795, 11066001160, 766386005577, 49489265853382, 3023718149469925, 176685707320506238, 9953671018445272136 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A224123

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

..0..2..3..0....2..0..0..1....2..2..0..0....0..2..3..0....2..2..1..0

..2..2..0..1....2..2..2..0....0..3..3..2....2..0..2..2....2..3..1..0

..2..1..1..3....2..2..2..0....2..2..2..2....2..3..1..2....2..2..1..3

CROSSREFS

Sequence in context: A224277 A224200 A333900 * A223808 A223758 A223846

Adjacent sequences:  A224119 A224120 A224121 * A224123 A224124 A224125

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 31 2013

STATUS

approved

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Last modified May 18 10:28 EDT 2022. Contains 353807 sequences. (Running on oeis4.)