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A201726 Number of nX5 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself 1
56, 16493, 9603489, 4720850001, 1692459595971, 463016032498283, 100953294298736546, 18122671914754530341, 2749005920875643617934, 359691065136570782416660, 41268528292416431754552427 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A201729
LINKS
EXAMPLE
Some solutions for n=2
..0..0..0..1..4....0..0..1..3..3....1..2..3..4..4....0..1..2..3..4
..2..2..3..4..1....0..0..4..2..3....4..1..3..4..4....0..3..3..3..1
CROSSREFS
Sequence in context: A059073 A246632 A289204 * A158362 A227053 A115469
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 04 2011
STATUS
approved

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Last modified June 24 19:44 EDT 2024. Contains 373690 sequences. (Running on oeis4.)