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

%I #10 Apr 28 2021 01:25:42

%S 0,2,888,186576,58038768,33555543408,39647663129952,

%T 100358466494032656,559874175467657854896,7007180500895781669589584

%N 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.

%C Diagonal of A229685.

%e Some solutions for n=3:

%e 0 0 0 0 1 1 0 1 0 0 1 0 0 1 1 0 0 1 0 0 1

%e 1 0 1 0 2 2 2 2 1 2 2 1 0 0 1 1 1 1 2 0 1

%e 1 2 2 2 1 2 2 0 1 0 1 1 2 2 2 1 2 2 2 2 1

%K nonn,more

%O 1,2

%A _R. H. Hardin_, Sep 27 2013

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 22 15:34 EDT 2024. Contains 374534 sequences. (Running on oeis4.)