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!)
A299306 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero. 1
8, 2048, 13075, 144040, 3860858, 76611604, 1227812226, 23819382545, 471369052777, 8749447076371, 164571560365968, 3152188315142786, 59832211663862100, 1132092731063667371, 21504285978321722965 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A299307.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..0..0..1. .0..1..0..1..1..1..1. .0..1..1..1..0..1..0
..0..1..0..1..1..0..1. .0..1..0..0..1..0..0. .0..1..0..0..0..0..1
..0..1..1..1..1..1..0. .0..1..1..1..1..1..1. .0..1..0..0..0..0..0
..0..1..0..1..1..0..1. .0..1..0..1..1..0..1. .1..0..1..0..0..1..1
..0..0..1..0..0..1..0. .0..0..1..1..0..1..0. .0..0..0..1..1..0..1
CROSSREFS
Cf. A299307.
Sequence in context: A298769 A299566 A298388 * A299464 A300107 A139298
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 06 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 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)