A301448 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

32, 1490, 34976, 877044, 22207589, 564002959, 14319674594, 363595763125, 9231743942243, 234399915906671, 5951543846998622, 151113108480960499, 3836847205649231379, 97419726227858989197, 2473542056644931255534

Offset

1,1

Comments

Column 6 of A301450.

Links

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

Example

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

Crossrefs

Cf. A301450.

Sequence in context: A300470 A326103 A300809 * A220577 A200258 A122123

Adjacent sequences: A301445 A301446 A301447 * A301449 A301450 A301451

Keyword

nonn

Author

R. H. Hardin, Mar 21 2018

Status

approved