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A185427 Number of (n+2)X3 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order 1
6842284, 284037544, 8653394212, 212298419684, 4370405405266, 77657199293322, 1216284173329482, 17062128865116751, 217083576402029968, 2530473438240068012, 27249849558442300355, 272981324157512302120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A185435

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

R. H. Hardin, Formula: polynomial of degree 119

FORMULA

Polynomial of degree 119, see link

EXAMPLE

Some solutions for 4X3

..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0

..0..0..6....0..0..4....0..0..4....0..0..4....0..0..2....0..0..2....0..0..4

..0..4..4....2..7..3....2..6..1....2..4..4....0..4..2....0..7..2....2..5..6

..1..4..6....4..5..3....5..4..2....4..7..7....5..5..7....7..1..3....5..4..0

CROSSREFS

Sequence in context: A088238 A079015 A185435 * A185426 A250457 A251982

Adjacent sequences:  A185424 A185425 A185426 * A185428 A185429 A185430

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 27 2011

STATUS

approved

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Last modified June 2 08:23 EDT 2020. Contains 334767 sequences. (Running on oeis4.)