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

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