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A223960 Number of nX7 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing 1
120, 7470, 217144, 4500818, 85350934, 1629022329, 31770135236, 629825651180, 12620835427126, 254719515611821, 5165793380135728, 105110696722615853, 2143594088287821599, 43784293043682987873, 895295525455930993505 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A223961

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A035815 A001785 A270848 * A156411 A076005 A218503

Adjacent sequences:  A223957 A223958 A223959 * A223961 A223962 A223963

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 29 2013

STATUS

approved

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Last modified November 12 14:35 EST 2019. Contains 329058 sequences. (Running on oeis4.)