A298499 Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4 or 7 king-move adjacent elements, with upper left element zero.

13, 73, 6, 97, 403, 277, 1602, 6037, 19001, 93205, 385257, 1922853, 8998837, 41053602, 209724071, 984080838, 4675122075, 23439321471, 111121478961, 535632138435, 2646696799591, 12653117278380, 61300729876967

Offset

1,1

Comments

Column 6 of A298501.

Links

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

Example

Some solutions for n=3
..0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0
..1..1..0..1..0..0. .1..1..0..0..1..1. .0..0..1..1..0..0. .1..1..0..0..1..1
..1..1..1..1..1..1. .1..1..1..1..1..1. .1..1..1..1..1..1. .0..0..0..0..0..0

Crossrefs

Cf. A298501.

Sequence in context: A189605 A000470 A297905 * A298318 A299391 A299192

Adjacent sequences: A298496 A298497 A298498 * A298500 A298501 A298502

Keyword

nonn

Author

R. H. Hardin, Jan 20 2018

Status

approved