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A298451
Number of nX5 0..1 arrays with every element equal to 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
1
0, 48, 26, 478, 5938, 22133, 206239, 2539477, 16116493, 140809027, 1454773733, 11442181688, 98650124977, 930856533076, 7893923708547, 68449197823238, 619698074500326, 5391736072793598, 47053275279174525, 418653067799229987
OFFSET
1,2
COMMENTS
Column 5 of A298454.
LINKS
EXAMPLE
Some solutions for n=6
..0..1..0..1..1. .0..0..0..0..0. .0..0..0..0..0. .0..1..1..0..0
..0..1..0..1..1. .0..0..1..0..0. .1..1..0..0..0. .0..1..1..0..0
..0..0..0..1..1. .1..1..1..1..0. .1..1..0..1..1. .0..0..0..1..1
..0..0..1..1..1. .1..1..1..0..0. .0..0..0..0..0. .0..0..0..1..1
..0..1..1..0..1. .1..0..0..0..0. .1..1..1..1..1. .1..0..1..1..1
..0..1..1..1..0. .0..1..0..1..1. .1..1..1..0..0. .0..1..1..0..0
CROSSREFS
Cf. A298454.
Sequence in context: A033979 A033368 A128380 * A094658 A136455 A085517
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 19 2018
STATUS
approved