A298716 Number of nX5 0..1 arrays with every element equal to 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

0, 10, 63, 346, 3508, 34704, 309593, 2960634, 27934888, 265454828, 2518958779, 23904132070, 227038517931, 2155865905516, 20471559784593, 194404183107602, 1846100569583663, 17531009460252304, 166478738684389946

Offset

1,2

Comments

Column 5 of A298719.

Links

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

Example

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

Crossrefs

Cf. A298719.

Sequence in context: A145885 A093953 A298067 * A271754 A075755 A046638

Adjacent sequences: A298713 A298714 A298715 * A298717 A298718 A298719

Keyword

nonn

Author

R. H. Hardin, Jan 25 2018

Status

approved