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A300537
Number of nX6 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
1, 113, 429, 8974, 124543, 1972991, 31434011, 501719570, 8058860856, 129431706223, 2079971600986, 33427271398920, 537230330075624, 8634447605659364, 138773950623180668, 2230408811079905218
OFFSET
1,2
COMMENTS
Column 6 of A300539.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..0..0. .0..0..0..1..1..0. .0..1..0..1..1..1. .0..0..1..1..0..0
..0..0..1..1..0..0. .0..1..0..1..1..1. .1..1..1..0..1..1. .0..1..1..0..0..0
..0..1..1..0..1..0. .0..0..0..0..1..0. .0..1..0..0..1..0. .0..0..1..1..1..1
..1..1..0..1..1..0. .0..1..1..0..1..1. .1..1..0..1..1..1. .1..0..1..0..1..1
..1..0..0..0..0..0. .1..1..0..0..1..0. .0..1..1..0..1..0. .0..0..0..0..1..1
CROSSREFS
Cf. A300539.
Sequence in context: A323176 A365581 A111013 * A342816 A353957 A142850
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 08 2018
STATUS
approved