A229694 -id:A229694 - cp's OEIS frontend

A229700 Number of defective 3-colorings of a 7 X n 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

0, 79872, 4377888, 175867605, 6279934941, 210095323918, 6749642728251, 210585483358218, 6425394969210939, 192588353994919005, 5688456451099770177, 165962586614349710061, 4791398443494607293804, 137079252918696683881476

Offset: 1

R. H. Hardin, Sep 27 2013

nonn

Row 7 of A229694.

			Some solutions for n=3:
  0 1 0   0 1 0   0 1 0   0 1 0   0 1 0   0 1 0   0 1 0
  0 1 0   0 1 0   0 1 0   0 1 0   0 0 1   0 0 1   0 1 0
  0 2 0   0 1 0   0 1 0   0 2 0   1 0 2   2 0 2   0 1 0
  0 1 1   0 1 0   0 1 0   0 2 1   2 0 1   1 0 2   0 1 1
  2 0 2   1 2 1   2 2 0   0 2 0   1 2 0   1 0 2   2 1 2
  1 2 1   0 1 0   1 1 2   0 2 2   0 2 1   1 0 1   0 1 2
  1 0 2   0 1 2   2 0 2   0 2 0   1 0 1   1 0 1   2 0 2

R. H. Hardin, Table of n, a(n) for n = 1..210
R. H. Hardin, Empirical recurrence of order 86

Empirical recurrence of order 86 (see link above).

A229688 Number of defective 3-colorings of an n X n 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

Original entry on oeis.org

0, 3, 626, 80757, 17724789, 7551515197, 6749642728251, 13137498602431137, 56959853494513069323, 558086310754870843057446, 12478933741531750768879884477, 641265228914623466199892311965220

Offset: 1

R. H. Hardin, Sep 27 2013

Diagonal of A229694.

			Some solutions for n=3:
  0 1 2   0 1 0   0 1 0   0 1 0   0 1 2   0 0 1   0 1 0
  0 2 0   2 2 1   1 2 1   0 2 2   2 0 0   0 2 0   1 0 1
  1 2 2   0 0 1   2 0 2   0 2 1   0 1 0   1 2 1   1 0 2

cp's OEIS Frontend

A229700 Number of defective 3-colorings of a 7 X n 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

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