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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A317157 Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1
8, 57, 73, 379, 2345, 9686, 65283, 549872, 3771839, 28567246, 234851866, 1817564695, 14177265464, 113391129716, 895761255070, 7060085683858, 56012131745496, 443559949350229, 3507504163767596, 27777741584507730 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A317160.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317160.

Sequence in context: A304352 A305915 A316236 * A305646 A316922 A317040

Adjacent sequences:  A317154 A317155 A317156 * A317158 A317159 A317160

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jul 22 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 October 25 14:20 EDT 2021. Contains 348253 sequences. (Running on oeis4.)