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A201728 Number of nX7 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself 0
116, 213013, 1757594146, 15249209002599, 100953294298736546 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A201729
LINKS
EXAMPLE
Some solutions for 2X2
..0..0..0..2..3..4..4....0..0..1..2..3..4..4....0..0..0..1..3..3..3
..0..0..1..3..3..1..3....0..0..2..4..4..4..4....0..2..3..4..1..2..4
CROSSREFS
Sequence in context: A035814 A284377 A009617 * A009687 A373582 A050660
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 04 2011
STATUS
approved

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Last modified June 18 23:32 EDT 2024. Contains 373488 sequences. (Running on oeis4.)