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A202861 Number of n X n 0..5 arrays with row and column sums one greater than the previous row and column. 0
6, 30, 2046, 3436102, 147978735402 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for n = 3:

..1..5..5....0..2..4....5..0..1....0..3..3....0..2..4....3..2..2....0..5..1

..5..4..3....2..3..2....0..2..5....2..3..2....5..2..0....1..4..3....1..1..5

..5..3..5....4..2..2....1..5..2....4..1..3....1..3..4....3..2..4....5..1..2

CROSSREFS

Column 5 of A202864.

Sequence in context: A066388 A222718 A200894 * A088256 A136349 A119411

Adjacent sequences:  A202858 A202859 A202860 * A202862 A202863 A202864

KEYWORD

nonn,more

AUTHOR

R. H. Hardin, Dec 25 2011

STATUS

approved

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Last modified June 4 03:32 EDT 2020. Contains 334814 sequences. (Running on oeis4.)