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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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 16 06:13 EDT 2021. Contains 348036 sequences. (Running on oeis4.)