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A265479
Number of nX7 0..n+7-2 arrays with upper left zero and lower right n+7-2 and each element differing from its diagonal and antidiagonal neighbors by one or two.
0
16807, 970225, 316565600, 589329511684, 63552226862294, 425344798130083225, 2284546587678218240
OFFSET
1,1
COMMENTS
Column 7 of A265480.
EXAMPLE
Some solutions for n=1
..0..1..6..5..1..6..6....0..4..1..3..1..4..6....0..6..6..2..2..0..6
CROSSREFS
Cf. A265480.
Sequence in context: A265472 A016985 A017153 * A017249 A017357 A017477
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2015
STATUS
approved