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A223879 Number of 5Xn 0..3 arrays with rows, diagonals and antidiagonals unimodal 1
1024, 1048576, 152918517, 5941888105, 122550633425, 1705349067795, 18196418303111, 160679898741339, 1229765413154086, 8391601872683197, 51974570843642850, 295702768916620339, 1558622615940769358 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A223876

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..30

EXAMPLE

Some solutions for n=3

..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

..0..2..0....0..0..2....0..2..2....0..2..2....0..0..0....0..2..0....0..0..0

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

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

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

CROSSREFS

Sequence in context: A223200 A017573 A016750 * A223804 A223582 A031155

Adjacent sequences:  A223876 A223877 A223878 * A223880 A223881 A223882

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 28 2013

STATUS

approved

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Last modified January 27 05:50 EST 2022. Contains 350601 sequences. (Running on oeis4.)