A301358 Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

3, 37, 92, 320, 1356, 6279, 30236, 147448, 713700, 3458964, 16761831, 81068326, 392498699, 1903748357, 9242300405, 44898738589, 218193853807, 1060541170373, 5155515413236, 25063708598082, 121851746401110, 592419495632651

Offset

1,1

Comments

Column 5 of A301361.

Links

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

Example

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

Crossrefs

Cf. A301361.

Sequence in context: A300766 A030460 A300636 * A163156 A041067 A046867

Adjacent sequences: A301355 A301356 A301357 * A301359 A301360 A301361

Keyword

nonn

Author

R. H. Hardin, Mar 19 2018

Status

approved