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A224309 Number of nX7 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing 1
239, 10511, 174378, 1825800, 15312504, 118317987, 911404794, 7236130163, 59751261572, 512310103541, 4533427479414, 41097427928564, 379017425099579, 3535755438091183, 33225644610034806, 313628721090498518 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A224310

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A224189 A223932 A224056 * A224373 A278852 A163041

Adjacent sequences:  A224306 A224307 A224308 * A224310 A224311 A224312

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 03 2013

STATUS

approved

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Last modified May 26 13:59 EDT 2022. Contains 354092 sequences. (Running on oeis4.)