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!)
A281031 Number of nX5 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1
0, 58, 2321, 9854, 44395, 184290, 722952, 2696692, 9734320, 34378916, 119479572, 409793340, 1390770988, 4679313804, 15630279254, 51891762034, 171376744116, 563406924184, 1844814347903, 6019287405002, 19577996105250, 63498640476100 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 5 of A281034.
LINKS
FORMULA
Empirical recurrence of order 98 (see link above)
EXAMPLE
Some solutions for n=4
..0..1..1..0..1. .0..1..0..0..1. .0..0..0..0..1. .0..1..1..1..0
..0..0..1..0..1. .0..1..1..0..1. .1..1..1..1..0. .1..0..0..0..0
..0..1..1..0..1. .1..0..0..0..1. .0..0..0..1..0. .1..1..1..1..1
..1..0..0..0..1. .1..1..1..1..0. .1..0..1..0..1. .1..0..1..0..0
CROSSREFS
Cf. A281034.
Sequence in context: A035724 A017721 A280111 * A225352 A278097 A299467
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 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 July 17 20:28 EDT 2024. Contains 374377 sequences. (Running on oeis4.)