A296308 - OEIS

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A296308

Number of n X n 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1's.

1, 2, 5, 10, 68, 479, 3300, 49634, 1039840, 24795120, 980896445, 69526855808

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

OFFSET

1,2

COMMENTS

Diagonal of A296313.

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A296313.

Sequence in context: A018549 A053356 A018584 * A018603 A018615 A082842

Adjacent sequences: A296305 A296306 A296307 * A296309 A296310 A296311

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 10 2017

STATUS

approved