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A231956
Number of (n+1)X(7+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero
1
12512, 3295580, 732691918, 171279257338, 40322931224352, 9478886429386626, 2227569337736429246, 523508634894235102896, 123033126916188723929280, 28914771603349522608580808, 6795434605065557633557620296
OFFSET
1,1
COMMENTS
Column 7 of A231957
LINKS
EXAMPLE
Some solutions for n=1
..0..1..0..0..0..1..1..1....0..1..1..1..1..0..0..1....0..1..0..0..0..1..1..0
..0..0..1..1..0..0..0..0....0..0..1..0..0..0..0..1....1..0..0..1..1..1..0..0
CROSSREFS
Sequence in context: A335989 A220026 A349044 * A252164 A045217 A298313
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 15 2013
STATUS
approved