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!)
A297949 Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero. 1
5, 604, 3079, 19561, 134642, 938557, 6423236, 44289957, 305715877, 2107842851, 14539629113, 100358074856, 692557160755, 4778987712641, 32981520600325, 227616103194905, 1570822561986655, 10840761116053551, 74815887145182594 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A297951.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A297951.

Sequence in context: A302951 A208298 A216077 * A298558 A298768 A299565

Adjacent sequences:  A297946 A297947 A297948 * A297950 A297951 A297952

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 09 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 3 04:48 EST 2021. Contains 349445 sequences. (Running on oeis4.)