login
A302210
Number of nX6 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1
1, 65, 22, 80, 281, 1395, 8756, 43128, 234170, 1294490, 7086959, 38970702, 215045749, 1186180072, 6546201483, 36141119314, 199545542832, 1101845565725, 6084429873748, 33599148008180, 185542430499264, 1024617396401798
OFFSET
1,2
COMMENTS
Column 6 of A302212.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..1..0. .0..0..1..0..0..0. .0..1..1..0..0..1. .0..1..1..1..1..0
..1..1..0..0..1..1. .0..0..1..0..0..1. .1..1..0..1..0..0. .1..1..0..0..1..1
..0..1..0..0..1..1. .0..1..1..1..0..1. .1..1..0..0..1..1. .1..0..0..1..1..0
..1..1..0..0..1..1. .0..0..1..1..0..0. .0..0..1..0..1..0. .1..1..0..0..1..1
..0..1..1..1..1..0. .1..0..0..0..0..1. .1..0..0..1..1..1. .1..1..0..0..1..1
CROSSREFS
Cf. A302212.
Sequence in context: A279290 A034061 A113696 * A094378 A033385 A275484
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2018
STATUS
approved