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

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