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A224352 Number of nX7 0..2 arrays with diagonals and antidiagonals unimodal and rows nondecreasing 1
36, 1296, 26610, 363392, 3816783, 34697869, 300892325, 2654062881, 24422915139, 233364588801, 2281743365906, 22551656451002, 223794737692968, 2224124508821224, 22127253845604143, 220432254659284132 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A224353

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A223405 A224267 A223924 * A224194 A224011 A300357

Adjacent sequences:  A224349 A224350 A224351 * A224353 A224354 A224355

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 04 2013

STATUS

approved

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Last modified November 19 20:42 EST 2019. Contains 329323 sequences. (Running on oeis4.)