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A305278 Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4 or 8 king-move adjacent elements, with upper left element zero. 1
1, 82, 87, 487, 1185, 5060, 17335, 73058, 275241, 1135214, 4474141, 18272560, 73232230, 297696906, 1201098907, 4872144375, 19707171814, 79868387402, 323359088801, 1310050602370, 5305691918957, 21492812038683, 87055596884440 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 5 of A305281.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..1. .0..1..1..0..0. .0..1..1..0..1. .0..0..1..1..0
..1..1..0..0..1. .0..1..1..0..0. .1..0..0..0..1. .1..1..0..0..1
..1..1..0..0..1. .1..1..1..0..0. .0..1..0..0..1. .1..1..0..0..0
..1..1..0..0..1. .0..1..1..0..0. .1..1..1..0..1. .0..0..1..1..1
..0..0..1..1..0. .0..1..1..0..0. .0..1..0..1..0. .0..0..1..1..1
CROSSREFS
Cf. A305281.
Sequence in context: A081648 A281921 A303885 * A025370 A282114 A099067
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 29 2018
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)