login
A305358
Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
1
1, 49, 53, 115, 271, 538, 1476, 3001, 8018, 19631, 49142, 121150, 301994, 755291, 1883016, 4721904, 11811102, 29624570, 74283952, 186275585, 467396085, 1172634363, 2942953196, 7385641030, 18537581048, 46532964358, 116809764471
OFFSET
1,2
COMMENTS
Column 6 of A305360.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..0..1. .0..1..1..0..0..1. .0..0..1..1..0..1. .0..0..0..0..0..0
..1..1..0..1..1..0. .1..0..0..1..0..0. .0..0..1..0..0..1. .1..1..0..1..1..1
..0..0..1..1..0..0. .0..1..1..0..1..0. .0..0..0..1..1..0. .1..0..1..0..1..0
..0..1..1..0..1..1. .0..0..1..0..1..1. .0..0..1..0..0..1. .0..0..1..0..0..0
..1..0..0..0..1..0. .1..1..0..0..1..0. .1..1..0..1..1..0. .1..0..1..1..0..1
CROSSREFS
Cf. A305360.
Sequence in context: A118073 A043300 A304008 * A140388 A044863 A162527
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 31 2018
STATUS
approved