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!)
A316426 Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1
21, 237, 311, 1660, 8761, 31433, 130402, 585212, 2366785, 9815061, 42205654, 175355823, 730455300, 3093042582, 12946456110, 54109637656, 227779656571, 955289842419, 4000305391990, 16801782691536, 70493554918254 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A316427.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..1..1..1. .0..0..1..0..0..1..0. .0..0..0..0..0..1..0
..0..1..1..1..1..1..1. .1..0..1..1..0..1..1. .0..0..0..0..0..0..0
..1..1..1..1..1..1..1. .1..1..1..1..1..1..1. .0..0..0..0..0..0..0
..1..1..1..1..1..1..1. .1..1..1..1..1..1..1. .0..1..0..0..0..0..0
..1..1..1..1..0..1..1. .0..1..1..1..1..1..0. .0..0..0..0..0..0..1
CROSSREFS
Cf. A316427.
Sequence in context: A316614 A304668 A306171 * A317428 A089937 A175843
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 02 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 April 14 16:48 EDT 2024. Contains 371666 sequences. (Running on oeis4.)