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A299339 Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero. 0
1, 8, 93, 1618, 45287, 1870946, 114730926, 10637570858, 1496868608807 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A299345.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299345.

Sequence in context: A122419 A319176 A299034 * A299846 A214385 A121161

Adjacent sequences:  A299336 A299337 A299338 * A299340 A299341 A299342

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 2018

STATUS

approved

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Last modified September 25 11:26 EDT 2022. Contains 356984 sequences. (Running on oeis4.)