A297920 Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 4 king-move adjacent elements, with upper left element zero.

3, 216, 3276, 41762, 575754, 7960069, 109611795, 1511726778, 20851649928, 287587925275, 3966669463101, 54712728879235, 754657175634132, 10409064835821411, 143573509709029089, 1980327271124061504

Offset

1,1

Comments

Column 5 of A297923.

Links

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

Example

Some solutions for n=4
..0..1..0..0..1. .0..0..1..1..1. .0..1..0..0..1. .0..0..1..0..0
..0..0..1..0..1. .1..0..1..1..0. .0..1..0..0..1. .0..0..1..1..0
..1..1..0..1..1. .1..1..0..0..0. .1..1..1..0..1. .1..1..0..1..0
..1..1..0..0..0. .0..0..0..1..1. .0..0..1..1..0. .0..0..0..1..1

Crossrefs

Cf. A297923.

Sequence in context: A258110 A072196 A038785 * A298544 A298334 A299395

Adjacent sequences: A297917 A297918 A297919 * A297921 A297922 A297923

Keyword

nonn

Author

R. H. Hardin, Jan 08 2018

Status

approved