A317040 - OEIS

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A317040

Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

8, 57, 90, 610, 6188, 35318, 333207, 4194626, 41147020, 427564765, 4921133617, 53673135073, 581177979136, 6470772304862, 71529302005742, 785927601982277, 8688294337589738, 96049615334637072, 1059627092988600390

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OFFSET

1,1

COMMENTS

Column 5 of A317043.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317043.

Sequence in context: A317157 A305646 A316922 * A317694 A143570 A365303

Adjacent sequences: A317037 A317038 A317039 * A317041 A317042 A317043

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 19 2018

STATUS

approved