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A223872 Number of nX4 0..3 arrays with rows, diagonals and antidiagonals unimodal 1
130, 16900, 1336985, 88682677, 5941888105, 411716468431, 28928809433978, 2033941972287214, 142745781634483746, 10010372252279889400, 701993937730379495973, 49234252523359799838831, 3453202734892638263202801 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A223876

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A223808 A223758 A223846 * A223797 A243480 A223662

Adjacent sequences:  A223869 A223870 A223871 * A223873 A223874 A223875

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 28 2013

STATUS

approved

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Last modified June 6 10:52 EDT 2020. Contains 334841 sequences. (Running on oeis4.)