login
A299891
Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
1
1, 389, 2800, 77981, 2025352, 55414033, 1611352289, 46538050960, 1360698390084, 39783278147445, 1164889182356192, 34124055565347097, 999756729105547241, 29294587727359499116, 858400260133154421401, 25153773626184474475671
OFFSET
1,2
COMMENTS
Column 6 of A299893.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..1..1. .0..0..1..1..1..0. .0..0..0..1..0..0. .0..0..1..0..0..1
..0..1..1..0..0..1. .1..0..0..1..0..0. .0..0..1..1..0..0. .0..0..1..1..0..0
..0..1..0..1..0..1. .1..1..0..1..0..0. .0..1..1..0..1..1. .1..0..1..1..0..1
..0..0..0..1..1..1. .0..0..1..0..1..0. .0..0..1..0..1..0. .0..0..1..0..0..0
..0..0..0..1..1..1. .0..0..1..1..1..1. .0..0..0..1..0..0. .0..0..1..1..0..0
CROSSREFS
Cf. A299893.
Sequence in context: A299364 A299133 A205920 * A299058 A299819 A299719
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 21 2018
STATUS
approved