A226543 Number of tilings of a 9 X n rectangle using 1 X 1 squares and L-tiles.

1, 1, 55, 595, 11012, 168925, 2760690, 44159095, 711479843, 11435477118, 183947396032, 2958142131138, 47575298963072, 765124447990418, 12305134306097753, 197897152964385186, 3182680323964197938, 51185438892782012288, 823189555932846017125

Offset: 0

Author

Alois P. Heinz, Jun 10 2013

Keywords

• nonn

Comments

An L-tile is a 2 X 2 square with the upper right 1 X 1 subsquare removed and no rotations are allowed.

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..500
• Alois P. Heinz, G.f. for A226543

Crossrefs

Column k=9 of A226444.