A226374 Number of tilings of a 10 X n rectangle using integer-sided square tiles of area > 1.

1, 0, 1, 0, 8, 1, 40, 2, 160, 17, 796, 104, 3722, 480, 17398, 2687, 82803, 13994, 391543, 71546, 1856274, 370012, 8811898, 1887331, 41818642, 9587496, 198572128, 48548770, 943058746, 244715696, 4479189932, 1229654538, 21277462741, 6160387914, 101081540520

Offset: 0

Author

Alois P. Heinz, Jun 05 2013

Keywords

• nonn
• easy

Examples

			a(7) = 2:
._._._._._._._.   ._._._._._._._.
|   |         |   |         |   |
|___|         |   |         |___|
|   |         |   |         |   |
|___|         |   |         |___|
|   |_________|   |_________|   |
|___|         |   |         |___|
|   |         |   |         |   |
|___|         |   |         |___|
|   |         |   |         |   |
|___|_________|   |_________|___|
		

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..1000
• Alois P. Heinz, G.f. and Maple program for A226374

Crossrefs

Column k=10 of A226206.

Programs

Maple

# see link for Maple program.

Formula

See link for g.f.