login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A298054 Number of nX7 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero. 1
8, 95, 63, 240, 422, 780, 1708, 3362, 6794, 14943, 29523, 61474, 128150, 264417, 548393, 1137867, 2348710, 4866530, 10091166, 20917294, 43349064, 89869896, 186296604, 386177081, 800695527, 1660420377, 3442732936, 7137995410 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A298055.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..1..1..0..0..1. .0..0..1..1..1..0..0. .0..1..0..1..1..1..0
..0..0..1..1..1..1..0. .1..1..0..0..0..1..1. .1..0..0..1..0..1..0
..1..1..1..0..1..0..1. .0..0..0..1..0..0..0. .1..0..1..0..1..0..1
..0..0..1..0..1..0..1. .1..1..0..1..0..1..1. .1..0..0..1..0..1..0
..0..1..1..0..1..0..1. .1..0..0..1..0..0..1. .0..1..0..1..1..1..0
CROSSREFS
Cf. A298055.
Sequence in context: A080208 A297857 A298092 * A298887 A298659 A299611
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 11 2018
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 22 13:38 EST 2024. Contains 370256 sequences. (Running on oeis4.)