A297912 - OEIS

A297912

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

1, 104, 144, 1281, 10809, 86201, 789026, 6952444, 62368324, 561827959, 5044716757, 45445761023, 409165864059, 3684640201888, 33186785709821, 298897784701392, 2692156370359236, 24248139995168505, 218403311907684498

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

OFFSET

1,2

COMMENTS

Column 5 of A297915.

LINKS

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

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Cf. A297915.

Sequence in context: A358396 A274357 A052476 * A253700 A260922 A054903

Adjacent sequences: A297909 A297910 A297911 * A297913 A297914 A297915

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 08 2018

STATUS

approved