login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A282127 Number of nX4 0..2 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1
0, 412, 14952, 210308, 2582100, 27360940, 288592122, 2859154700, 28049884760, 268586269768, 2542642344876, 23784762203080, 220524010142108, 2029186356052980, 18552089141901938, 168691006136119700 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 4 of A282130.
LINKS
FORMULA
Empirical recurrence of order 80 (see link above)
EXAMPLE
Some solutions for n=3
..0..0..1..0. .0..0..1..2. .0..1..0..1. .0..1..2..0. .0..1..2..2
..1..1..2..1. .0..1..1..0. .2..0..0..0. .1..1..2..0. .1..1..1..2
..0..1..1..2. .0..1..0..1. .2..2..0..1. .0..1..1..1. .2..1..0..1
CROSSREFS
Cf. A282130.
Sequence in context: A081378 A234190 A234185 * A344119 A257823 A250901
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 06 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 March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)