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A317213
Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
1
1, 272, 2800, 76951, 1987026, 53479785, 1441577878, 39018757534, 1057115569193, 28657560496965, 777057625622689, 21072505461542979, 571478563333369291, 15498629347798361008, 420330581884029825365, 11399627217541998213235
OFFSET
1,2
COMMENTS
Column 6 of A317215.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..0..0..1. .0..1..1..0..1..0. .0..0..1..1..1..1. .0..1..0..0..0..1
..0..1..1..0..0..1. .0..1..0..0..0..1. .0..0..1..0..0..0. .0..1..0..0..0..1
..0..0..1..0..0..1. .0..0..1..0..1..0. .0..0..0..1..0..1. .0..0..0..0..0..1
..1..1..0..1..1..1. .0..1..1..0..1..1. .0..0..1..0..1..1. .0..1..1..1..0..0
..0..0..1..0..1..0. .1..0..0..1..0..0. .1..1..1..0..0..0. .1..0..1..0..1..1
CROSSREFS
Cf. A317215.
Sequence in context: A316242 A230908 A305952 * A178268 A205345 A302899
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 23 2018
STATUS
approved