A298838 Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

0, 17, 127, 1045, 18075, 242872, 3570731, 52303834, 766622466, 11271546283, 165665212660, 2435912683020, 35819238408346, 526724402976581, 7745695689623062, 113904017404740204, 1675017069147795397

Offset

1,2

Comments

Column 5 of A298841.

Links

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

Example

Some solutions for n=5
..0..0..1..1..1. .0..0..1..1..1. .0..0..0..1..1. .0..0..1..1..1
..0..0..1..1..1. .0..0..1..1..1. .0..0..0..1..1. .0..0..1..1..1
..1..0..1..1..1. .0..1..0..0..0. .0..0..0..1..1. .0..0..1..1..1
..1..1..0..0..0. .1..1..0..0..0. .1..1..1..1..0. .0..1..0..0..0
..1..0..0..0..0. .1..1..0..0..0. .1..1..1..0..0. .1..1..0..0..0

Crossrefs

Cf. A298841.

Sequence in context: A036828 A142613 A066453 * A114756 A336186 A159563

Adjacent sequences: A298835 A298836 A298837 * A298839 A298840 A298841

Keyword

nonn

Author

R. H. Hardin, Jan 27 2018

Status

approved