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A183414 Number of n X n 0..2 arrays with each sum of a(1..i,1..j) no greater than i*j 0
2, 34, 5257, 7798591, 108917015732, 14221257369534380, 17218452637947555486763 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A183419

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for 4X4

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

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

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

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

CROSSREFS

Sequence in context: A165938 A255434 A206501 * A002782 A155205 A303444

Adjacent sequences:  A183411 A183412 A183413 * A183415 A183416 A183417

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 04 2011

STATUS

approved

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Last modified May 31 02:51 EDT 2020. Contains 334747 sequences. (Running on oeis4.)