login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A300340
Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1
1, 389, 6780, 258608, 9482056, 366298010, 14485201471, 574690828973, 22936158924074, 916370360035789, 36648762038150443, 1466257125537903225, 58673112644992504445, 2348058855448212864879, 93971410987693994357732
OFFSET
1,2
COMMENTS
Column 6 of A300342.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..1..1. .0..0..0..0..0..1. .0..0..0..1..1..0. .0..0..1..1..0..0
..0..0..0..1..0..1. .0..0..0..0..1..1. .0..0..0..1..0..0. .0..0..0..1..0..0
..0..0..0..0..0..1. .0..0..0..0..0..1. .0..0..0..0..0..1. .0..0..0..1..0..0
..0..0..1..1..1..1. .0..0..0..1..0..0. .0..0..1..1..0..0. .0..0..1..1..0..0
..0..0..1..1..1..1. .1..0..0..1..1..0. .0..0..1..1..0..1. .1..0..1..0..0..1
CROSSREFS
Cf. A300342.
Sequence in context: A299819 A378695 A299719 * A228580 A242182 A136153
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 03 2018
STATUS
approved