login
The OEIS is supported by the many generous donors to the OEIS 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 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A282373 Number of nX4 0..1 arrays with no 1 equal to more than four of its king-move neighbors, with the exception of exactly two elements. 1
0, 6, 309, 6244, 119390, 2131096, 36258678, 594236950, 9502175342, 149094022594, 2303609997650, 35156424933146, 531063422607186, 7952651367000598, 118206136820451322, 1745636429854447262, 25632755261397583238 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A282377.

LINKS

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

R. H. Hardin, Empirical recurrence of order 54

FORMULA

Empirical recurrence of order 54 (see link above)

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A282377.

Sequence in context: A104003 A280215 A015103 * A123181 A281932 A074656

Adjacent sequences: A282370 A282371 A282372 * A282374 A282375 A282376

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 13 2017

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 November 28 00:05 EST 2022. Contains 358406 sequences. (Running on oeis4.)