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A297957
Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.
1
5, 49, 109, 779, 2596, 11283, 61204, 284304, 1375342, 6952910, 34481150, 170526375, 851167905, 4246845842, 21142550887, 105387070394, 525656312520, 2620783997147, 13066690252443, 65162285094742, 324954134100762
OFFSET
1,1
COMMENTS
Column 6 of A297959.
LINKS
EXAMPLE
Some solutions for n=7
..0..0..0..1..0..0. .0..1..0..0..1..0. .0..0..0..0..0..1. .0..0..0..0..1..0
..0..1..0..1..0..1. .1..0..1..1..1..0. .1..1..1..1..1..0. .1..0..0..1..1..0
..1..1..0..0..1..0. .0..1..0..1..1..1. .0..1..1..0..1..1. .0..1..1..1..1..1
..0..0..0..1..1..1. .1..1..0..1..0..0. .0..1..0..0..1..1. .1..1..1..0..0..0
..1..0..1..1..0..0. .1..1..0..1..1..1. .1..1..1..1..1..0. .0..0..0..1..1..1
..0..1..0..1..0..1. .0..1..1..1..0..0. .0..0..1..0..1..0. .1..0..0..1..1..0
..1..1..0..1..1..1. .1..0..0..0..1..1. .1..1..0..1..0..1. .0..1..1..0..0..1
CROSSREFS
Cf. A297959.
Sequence in context: A298658 A299610 A079837 * A298773 A298580 A299572
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 09 2018
STATUS
approved