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A298442
Number of n X 6 0..1 arrays with every element equal to 0, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
1
1, 9, 36, 105, 1270, 10681, 72509, 692536, 6184710, 57152783, 516280067, 4747551849, 43550580792, 399497533186, 3665329764088, 33645393094604, 308806053669110, 2834375855232312, 26016168516625808, 238799862303743088
OFFSET
1,2
COMMENTS
Column 6 of A298444.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..0..0. .0..1..1..1..1..0. .0..1..1..1..1..0. .0..0..0..0..0..0
..0..0..0..0..0..0. .1..1..0..0..1..1. .1..1..1..1..1..1. .0..0..1..1..0..0
..1..1..0..0..1..1. .0..1..0..0..0..1. .1..1..0..0..1..0. .1..0..1..1..1..1
..1..1..0..0..1..1. .1..1..1..0..1..1. .1..1..0..0..1..1. .0..0..0..0..1..1
..0..1..1..1..1..1. .1..1..1..1..1..1. .1..1..0..0..1..1. .0..0..0..0..1..1
CROSSREFS
Cf. A298444.
Sequence in context: A098928 A139469 A103158 * A212104 A193007 A369888
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 19 2018
STATUS
approved