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A229631 Number of defective 3-colorings of an n X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order. 0

%I

%S 0,6,244,10227,960325,170405645,61836040854,45634751291449,

%T 69219300810586905,216612095709360988933,1408049695722118625807058,

%U 18999842797533792961661827884

%N Number of defective 3-colorings of an n X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

%C Diagonal of A229637.

%e Some solutions for n=3:

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

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

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

%Y Cf. A229637.

%K nonn

%O 1,2

%A _R. H. Hardin_, Sep 27 2013

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Last modified October 6 23:36 EDT 2022. Contains 357270 sequences. (Running on oeis4.)