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A299609 Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
3, 23, 23, 85, 179, 453, 1006, 2523, 6002, 14802, 36299, 87591, 214486, 522937, 1275628, 3120041, 7614933, 18586581, 45384416, 110821038, 270585507, 660827950, 1613737854, 3940683638, 9622959317, 23498981429, 57383159995, 140126697433 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A299612.
LINKS
EXAMPLE
Some solutions for n=6
..0..1..0..0..0. .0..1..0..0..0. .0..1..1..0..1. .0..1..1..0..1
..0..0..1..1..1. .1..0..1..1..1. .1..0..0..0..1. .0..0..0..0..1
..0..0..0..0..0. .1..0..0..0..0. .1..0..0..0..1. .0..0..0..0..1
..1..0..0..0..1. .1..0..0..0..1. .0..0..0..0..0. .1..0..0..0..0
..1..0..0..0..1. .0..0..0..0..1. .0..0..1..1..1. .1..0..0..0..0
..1..0..1..1..0. .1..1..1..0..1. .0..1..0..0..0. .1..0..1..1..0
CROSSREFS
Cf. A299612.
Sequence in context: A298052 A298885 A298657 * A238198 A178177 A353003
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 14 2018
STATUS
approved

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Last modified February 26 05:55 EST 2024. Contains 370335 sequences. (Running on oeis4.)