A304595 Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.

5, 1145, 10949, 211833, 3512756, 57480334, 957716506, 15998181972, 265138740428, 4413455701995, 73417070849907, 1220566444991947, 20300879994693879, 337625187378889063, 5614703133565778615, 93377414300017287376

Offset

1,1

Comments

Column 6 of A304597.

Links

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

Example

Some solutions for n=5
..0..1..0..0..1..0. .0..1..0..0..0..1. .0..1..1..1..1..0. .0..1..1..0..1..1
..0..0..1..1..0..1. .0..0..1..1..1..1. .0..0..0..0..0..1. .0..0..1..0..0..0
..0..0..1..1..1..1. .0..0..1..1..1..0. .0..0..0..0..0..1. .0..0..0..0..0..1
..0..1..1..1..1..0. .0..1..0..0..0..0. .0..1..0..0..1..0. .0..1..1..1..1..0
..0..0..0..0..0..1. .0..1..0..0..1..1. .0..1..1..1..1..1. .1..0..0..0..0..0

Crossrefs

Cf. A304597.

Sequence in context: A305286 A304899 A316581 * A316381 A306141 A317374

Adjacent sequences: A304592 A304593 A304594 * A304596 A304597 A304598

Keyword

nonn

Author

R. H. Hardin, May 15 2018

Status

approved