A278877 Number of tilings of a 6 X n rectangle using pentominoes of any shape and monominoes.

1, 3, 155, 11914, 728857, 42238426, 2492016728, 147382229321, 8704392890599, 514207059584879, 30367424047335204, 1793195869965086337, 105893252956708204722, 6253339527216096201144, 369279138864066223011929, 21807048314051213226593407

Offset: 0

Author

Alois P. Heinz, Nov 29 2016

Keywords

• nonn

Examples

			a(1) = 3:
._.   ._.   ._.
|_|   | |   |_|
|_|   | |   | |
|_|   | |   | |
|_|   | |   | |
|_|   |_|   | |
|_|   |_|   |_|  .
		

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..300
• Wikipedia, Pentomino

Crossrefs

Column k=6 of A278657.