A185429 - OEIS

A185429

Number of (n+2)X5 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order

8653394212, 1090205284029, 84722449466168, 4772160687307074, 209290512833668811, 7468756070356586903, 223694029250999654095, 5755145891541173071730, 129520045203909930078682

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 3 of A185435

LINKS

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

R. H. Hardin, Formula: polynomial of degree 133

FORMULA

Polynomial of degree 133, see link

EXAMPLE

Some solutions for 4X5

..0..0..0..0..2....0..0..0..0..0....0..0..0..0..0....0..0..0..0..2

..0..0..0..0..5....0..0..0..0..0....0..0..0..0..6....0..0..0..0..4

..0..0..0..6..4....0..0..0..2..4....0..0..0..4..3....0..0..0..1..4

..0..0..4..2..5....0..0..0..3..7....0..0..4..5..2....0..0..4..2..5

CROSSREFS

Sequence in context: A017495 A017627 A181746 * A154876 A270612 A331412

Adjacent sequences: A185426 A185427 A185428 * A185430 A185431 A185432

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 27 2011

STATUS

approved