A216083 Number of horizontal and antidiagonal neighbor colorings of the odd squares of an nX7 array with new integer colors introduced in row major order.

2, 136, 10900, 12297870, 4044766240, 18383343930862, 14216413305846436, 166176901557427161788, 238921763468063076499860, 5737167226254078112766902750, 13446078759879900390396507182880

Offset: 1

Author

R. H. Hardin Sep 01 2012

Keywords

• nonn

Comments

Column 7 of A216084

Examples

			Some solutions for n=4
..x..0..x..1..x..2..x....x..0..x..1..x..0..x....x..0..x..1..x..0..x
..1..x..0..x..3..x..4....1..x..0..x..2..x..1....1..x..0..x..2..x..3
..x..4..x..0..x..5..x....x..3..x..0..x..4..x....x..2..x..0..x..4..x
..0..x..2..x..1..x..2....0..x..2..x..3..x..4....3..x..4..x..3..x..1
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..17