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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

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

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 A050660 A176568

Adjacent sequences:  A201725 A201726 A201727 * A201729 A201730 A201731

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 04 2011

STATUS

approved

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Last modified February 20 15:52 EST 2020. Contains 332078 sequences. (Running on oeis4.)