A300537 Number of nX6 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

1, 113, 429, 8974, 124543, 1972991, 31434011, 501719570, 8058860856, 129431706223, 2079971600986, 33427271398920, 537230330075624, 8634447605659364, 138773950623180668, 2230408811079905218

Offset

1,2

Comments

Column 6 of A300539.

Links

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

Example

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

Crossrefs

Cf. A300539.

Sequence in context: A323176 A365581 A111013 * A342816 A353957 A142850

Adjacent sequences: A300534 A300535 A300536 * A300538 A300539 A300540

Keyword

nonn

Author

R. H. Hardin, Mar 08 2018

Status

approved