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 A229684 Number of defective 3-colorings of an nX7 0..2 array connected diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order 1

%I

%S 0,101376,7952256,437924880,21063718224,937213830720,39647663129952,

%T 1617006498774912,64143524707305984,2489243835565159488,

%U 94897266574306915296,3564781098414437505600,132254323024723203273120

%N Number of defective 3-colorings of an nX7 0..2 array connected diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order

%C Column 7 of A229685

%H R. H. Hardin, <a href="/A229684/b229684.txt">Table of n, a(n) for n = 1..172</a>

%H R. H. Hardin, <a href="/A229684/a229684.txt">Empirical recurrence of order 46</a>

%F Empirical recurrence of order 46 (see link above)

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Sep 27 2013

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Last modified October 27 23:26 EDT 2020. Contains 338047 sequences. (Running on oeis4.)