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!)
A229678 Number of defective 3-colorings of an n X n 0..2 array connected diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order. 0
0, 2, 888, 186576, 58038768, 33555543408, 39647663129952, 100358466494032656, 559874175467657854896, 7007180500895781669589584 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Diagonal of A229685.
LINKS
EXAMPLE
Some solutions for n=3:
0 0 0 0 1 1 0 1 0 0 1 0 0 1 1 0 0 1 0 0 1
1 0 1 0 2 2 2 2 1 2 2 1 0 0 1 1 1 1 2 0 1
1 2 2 2 1 2 2 0 1 0 1 1 2 2 2 1 2 2 2 2 1
CROSSREFS
Sequence in context: A239149 A050247 A159705 * A261528 A265881 A203609
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Sep 27 2013
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 June 20 23:53 EDT 2024. Contains 373535 sequences. (Running on oeis4.)