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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A317608 Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
16, 94, 419, 2639, 23031, 161091, 1160029, 8965243, 67933591, 512456411, 3925879723, 30060384987, 229860158692, 1763744445257, 13538720632879, 103909849372918, 798195801028945, 6132464360757554, 47116777346859473 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A317611.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317611.

Sequence in context: A305908 A316880 A317150 * A159245 A066487 A318021

Adjacent sequences:  A317605 A317606 A317607 * A317609 A317610 A317611

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 01 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 December 5 00:21 EST 2021. Contains 349530 sequences. (Running on oeis4.)