login
A300885
Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
8, 6, 17, 121, 808, 5309, 31867, 195259, 1186702, 7278923, 44469030, 272153365, 1664882089, 10186344545, 62320129032, 381291184320, 2332798942244, 14272539880517, 87322082146003, 534253910737324, 3268668709294790
OFFSET
1,1
COMMENTS
Column 5 of A300888.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..1..1..0..0. .0..0..0..1..0. .0..1..0..0..1
..1..0..0..0..0. .0..0..0..0..0. .1..0..0..0..1. .0..0..0..0..1
..1..1..1..1..0. .0..0..1..0..0. .0..0..1..0..0. .0..0..1..0..0
..1..1..0..0..0. .1..0..0..0..1. .0..0..1..0..0. .0..0..1..0..0
..0..0..0..0..1. .1..0..0..0..0. .0..0..0..0..1. .0..0..0..0..1
CROSSREFS
Cf. A300888.
Sequence in context: A281718 A036176 A064685 * A300941 A075486 A123875
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 14 2018
STATUS
approved