A300879 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

32, 383, 1367, 8739, 63507, 447946, 3260568, 24521565, 184377268, 1385200542, 10431028587, 78611660747, 592479908957, 4465996726342, 33667583205225, 253822297852810, 1913621980179255, 14427385269285851, 108773380639614955

Offset

1,1

Comments

Column 6 of A300881.

Links

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

Example

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

Crossrefs

Cf. A300881.

Sequence in context: A301321 A300496 A300935 * A301489 A087024 A128798

Adjacent sequences: A300876 A300877 A300878 * A300880 A300881 A300882

Keyword

nonn

Author

R. H. Hardin, Mar 14 2018

Status

approved