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A238651
Number of (n+2)X(5+2) 0..1 arrays with no element equal to all horizontal neighbors or equal to all vertical neighbors, and new values 0..1 introduced in row major order
1
8, 128, 630, 4742, 30116, 204216, 1349732, 9010526, 59917746, 399048464, 2656049918, 17682689820, 117712030990, 783626030284, 5216639296472, 34727628846946, 231184402116402, 1539013000632024, 10245328946153388
OFFSET
1,1
COMMENTS
Column 5 of A238654
FORMULA
Empirical recurrence of order 68 (see link above)
EXAMPLE
Some solutions for n=5
..0..1..0..1..1..0..1....0..1..1..0..0..1..0....0..1..0..1..0..1..0
..1..0..1..0..0..1..0....1..0..0..1..1..0..1....1..0..1..0..1..0..1
..0..1..0..0..1..0..1....0..1..1..0..1..1..0....0..1..0..1..1..0..1
..0..1..0..1..0..0..1....0..1..0..1..0..1..0....0..1..1..0..0..1..0
..1..0..1..0..1..1..0....1..0..0..1..0..0..1....1..0..0..1..1..0..1
..1..0..0..1..0..0..1....1..0..1..0..1..0..1....0..1..0..0..1..0..1
..0..1..1..0..1..1..0....0..1..0..1..0..1..0....1..0..1..1..0..1..0
CROSSREFS
Sequence in context: A233089 A204194 A093586 * A291849 A301844 A302268
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 02 2014
STATUS
approved