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A305037 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 6 or 7 king-move adjacent elements, with upper left element zero. 1
16, 8, 13, 26, 43, 109, 319, 718, 1632, 4351, 10773, 25199, 62720, 157051, 379668, 927104, 2297777, 5633013, 13757409, 33842016, 83191131, 203775710, 499991378, 1228342299, 3013570173, 7392226135, 18147245684, 44540437375, 109282630804 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A305040.

LINKS

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

FORMULA

Empirical: a(n) = a(n-1) +9*a(n-3) +2*a(n-4) -14*a(n-6) -4*a(n-7) for n>11

EXAMPLE

Some solutions for n=5

..0..0..0..0..0. .0..1..1..1..1. .0..0..0..0..1. .0..0..0..0..1

..0..0..0..0..0. .1..0..1..1..1. .0..0..0..1..0. .0..0..0..1..0

..0..0..0..0..0. .1..1..0..1..1. .0..0..1..0..0. .0..0..0..0..0

..0..1..0..0..0. .1..1..1..0..1. .0..1..0..0..0. .0..0..0..0..0

..1..0..0..0..0. .1..1..1..1..1. .0..0..0..0..0. .0..0..0..0..0

CROSSREFS

Cf. A305040.

Sequence in context: A102270 A102272 A304227 * A083536 A305583 A316690

Adjacent sequences:  A305034 A305035 A305036 * A305038 A305039 A305040

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 24 2018

STATUS

approved

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Last modified October 28 11:10 EDT 2020. Contains 338054 sequences. (Running on oeis4.)