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!)
A303968 Number of nX7 0..1 arrays with every element unequal to 0, 1, 3 or 5 king-move adjacent elements, with upper left element zero. 1
21, 237, 186, 842, 2247, 6264, 15517, 40239, 101894, 275913, 742329, 1970215, 5207495, 13783510, 36338058, 96289588, 255453841, 676717260, 1792458697, 4748791014, 12573506308, 33301968773, 88224464420, 233692020122 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A303969.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..0..0..0..0. .0..1..1..1..1..1..1. .0..0..0..1..0..0..0
..0..0..0..0..0..0..1. .1..1..1..1..1..1..1. .0..0..0..0..0..0..0
..0..0..0..0..0..1..1. .1..1..1..1..1..1..1. .0..0..0..0..0..0..1
..0..0..0..0..1..1..1. .0..1..1..1..1..1..1. .1..0..0..0..0..0..0
..0..0..0..1..1..1..1. .1..1..1..1..1..0..1. .0..0..0..0..0..0..0
CROSSREFS
Cf. A303969.
Sequence in context: A069601 A173347 A360854 * A304930 A305346 A316614
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 03 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 March 19 04:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)