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

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

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical recurrence of order 68

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

Adjacent sequences: A238648 A238649 A238650 * A238652 A238653 A238654

Keyword

nonn

Author

R. H. Hardin, Mar 02 2014

Status

approved