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A223674 Number of 7Xn 0..1 arrays with rows, diagonals and antidiagonals unimodal 1
128, 16384, 371641, 2343189, 8052573, 21347949, 51831694, 124050234, 299298122, 726344042, 1747724083, 4106362589, 9335920794, 20497890026, 43553671579, 89873040155, 180673406871, 354644672067, 680755779412, 1279369459830 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A223669

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..33

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A093532 A016747 A189269 * A189622 A189694 A188745

Adjacent sequences:  A223671 A223672 A223673 * A223675 A223676 A223677

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 25 2013

STATUS

approved

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Last modified December 4 13:29 EST 2021. Contains 349526 sequences. (Running on oeis4.)