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A223668 Number of nX7 0..1 arrays with rows, diagonals and antidiagonals unimodal 1
29, 841, 12577, 119150, 920106, 6789502, 51831694, 418107416, 3535212700, 30760010124, 270819014018, 2389382612136, 21054370910762, 185252005692892, 1628826042317036, 14320554615413076, 125935880053887644 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A223669

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A171334 A097782 A223643 * A223636 A223619 A223679

Adjacent sequences:  A223665 A223666 A223667 * A223669 A223670 A223671

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 25 2013

STATUS

approved

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Last modified January 29 05:09 EST 2022. Contains 350672 sequences. (Running on oeis4.)