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!)
A275225 Number of nX5 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,0) and new values introduced in order 0..2. 1
41, 1296, 1885, 9075, 64248, 460034, 3334854, 24595019, 181187962, 1332436071, 9810172225, 72273272964, 532374394904, 3921375107766, 28886433275447, 212793855415512, 1567545471803795, 11547327991701749, 85063839496736654 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A275228.
LINKS
FORMULA
Empirical recurrence of order 81 (see link above)
EXAMPLE
Some solutions for n=4
..0..1..0..1..0. .0..1..0..1..0. .0..1..2..1..0. .0..0..0..1..0
..2..0..1..2..2. .1..0..2..2..1. .1..0..1..0..1. .2..1..1..2..1
..0..2..2..1..0. .0..2..0..1..2. .0..1..0..1..0. .1..2..2..1..2
..2..0..1..0..1. .2..0..1..0..0. .1..2..1..2..2. .0..0..0..0..1
CROSSREFS
Cf. A275228.
Sequence in context: A196902 A297349 A014937 * A275145 A118451 A094455
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 20 2016
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 February 29 21:35 EST 2024. Contains 370428 sequences. (Running on oeis4.)