A298498 Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4 or 7 king-move adjacent elements, with upper left element zero.

8, 34, 5, 54, 281, 403, 2353, 12942, 43319, 219059, 1139692, 4710221, 22929591, 114137759, 507812273, 2437861245, 11831023069, 54371013193, 259290851053, 1242213751866, 5796626372747, 27547962579979, 131151511736429

Offset

1,1

Comments

Column 5 of A298501.

Links

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

Example

Some solutions for n=6
..0..0..1..0..0. .0..0..1..0..1. .0..0..1..0..0. .0..1..1..0..1
..0..0..1..0..0. .1..1..1..1..0. .0..0..1..0..0. .1..0..1..1..0
..1..0..1..1..0. .0..0..1..0..0. .1..1..0..1..1. .0..0..1..0..0
..0..1..1..0..1. .0..0..1..0..0. .1..1..0..1..1. .0..0..1..0..0
..0..0..1..0..0. .0..1..1..1..0. .0..1..0..0..1. .1..0..1..1..1
..0..0..1..0..0. .1..0..1..0..1. .1..0..0..1..0. .0..1..1..0..0

Crossrefs

Cf. A298501.

Sequence in context: A041118 A308879 A297904 * A091720 A298317 A299390

Adjacent sequences: A298495 A298496 A298497 * A298499 A298500 A298501

Keyword

nonn

Author

R. H. Hardin, Jan 20 2018

Status

approved