A301489 Number of n X 6 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

32, 383, 1372, 9415, 93753, 903707, 8479276, 81180752, 782053062, 7536338549, 72637971096, 700355478119, 6754103409382, 65141462882540, 628300523837802, 6060221733799586, 58454229356655502, 563828392580647127

Offset

1,1

Comments

Column 6 of A301491.

Links

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

Example

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

Crossrefs

Cf. A301491.

Sequence in context: A300496 A300935 A300879 * A087024 A128798 A086942

Adjacent sequences: A301486 A301487 A301488 * A301490 A301491 A301492

Keyword

nonn

Author

R. H. Hardin, Mar 22 2018

Status

approved