A298626 - OEIS

A298626

Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

0, 17, 138, 1218, 20959, 285085, 4228781, 62707643, 929296248, 13834518554, 205782194111, 3063043646029, 45593869224429, 678703394314508, 10103392343141198, 150402691188845036, 2238961720631366965

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

OFFSET

1,2

COMMENTS

Column 5 of A298629.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298629.

Sequence in context: A358202 A277387 A099922 * A157360 A142815 A222478

Adjacent sequences: A298623 A298624 A298625 * A298627 A298628 A298629

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 23 2018

STATUS

approved