login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A298098 Number of nX6 0..1 arrays with every element equal to 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. 1
0, 5, 3, 20, 70, 847, 2934, 27671, 139992, 1031816, 5985115, 41326422, 252034826, 1675068288, 10527431309, 68645440055, 436700979975, 2826143858103, 18075619384704, 116539777329390, 747352195049649, 4809997865329487 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A298100.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=7

..0..0..1..1..0..0. .0..0..1..1..0..0. .0..0..0..0..0..0. .0..0..1..1..0..0

..0..0..1..1..0..0. .0..0..1..1..0..0. .0..0..1..1..0..0. .0..0..1..1..0..0

..0..1..1..0..0..0. .0..0..1..1..0..0. .0..0..1..1..0..0. .0..0..1..0..0..0

..0..1..1..1..0..0. .1..1..1..0..1..0. .0..1..1..0..0..0. .0..1..1..1..0..0

..0..0..1..1..1..0. .1..1..0..1..0..1. .1..0..0..0..1..1. .1..0..0..1..0..0

..0..0..1..1..0..0. .1..1..0..0..1..1. .1..1..0..0..1..1. .1..1..0..0..1..1

..0..0..1..1..0..0. .1..1..0..0..1..1. .1..1..1..1..1..1. .1..1..0..0..1..1

CROSSREFS

Cf. A298100.

Sequence in context: A092525 A101367 A256565 * A248256 A049457 A061037

Adjacent sequences:  A298095 A298096 A298097 * A298099 A298100 A298101

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 12 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 23 10:36 EST 2020. Contains 331171 sequences. (Running on oeis4.)