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A265457
Number of nX7 0..n+7-2 arrays with each element differing from its horizontal and vertical neighbors by one or two.
1
9358, 5710302, 4148236142, 3073046007824, 2268041942592142, 1653688201339124766, 1191337567990711362900, 848423104474986244064166, 598271406157938091938371830, 418189967455232632823299204488
OFFSET
1,1
COMMENTS
Column 7 of A265458.
LINKS
EXAMPLE
Some solutions for n=1
..0..2..3..1..2..3..1....3..5..3..4..3..2..4....3..4..2..4..2..1..0
CROSSREFS
Cf. A265458.
Sequence in context: A251824 A228519 A292283 * A330902 A323803 A246736
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2015
STATUS
approved