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A223793 Number of 6Xn 0..2 arrays with rows, diagonals and antidiagonals unimodal 1
729, 531441, 48302789, 1026135371, 11150023974, 82093381460, 478507693443, 2431894894768, 11344157673659, 49637341916982, 205245174369997, 804275933241975, 2993676733618967, 10612510462313603, 35930784248755558 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A223789

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..24

EXAMPLE

Some solutions for n=3

..0..0..0....0..0..1....0..0..0....0..0..0....0..0..1....0..0..0....0..0..0

..0..0..0....0..1..1....0..1..1....0..0..1....0..1..1....0..1..0....0..1..1

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

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

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

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

CROSSREFS

Sequence in context: A228976 A176769 A016950 * A223979 A223574 A184692

Adjacent sequences:  A223790 A223791 A223792 * A223794 A223795 A223796

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 27 2013

STATUS

approved

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Last modified May 21 00:36 EDT 2022. Contains 353886 sequences. (Running on oeis4.)