A247118 Number of tilings of a 10 X n rectangle using 2n pentominoes of shape Y.

1, 0, 0, 0, 0, 10, 0, 0, 0, 0, 350, 0, 0, 0, 296, 8954, 50, 0, 0, 13516, 242820, 2760, 0, 5832, 602980, 6591140, 126088, 496, 442978, 22506998, 179340480, 4843754, 147924, 24885442, 789989882, 4891089138, 172488058, 13913138, 1184576462, 26387065880

Offset

0,6

Links

Alois P. Heinz, Table of n, a(n) for n = 0..100

Wikipedia, Pentomino

Crossrefs

Cf. A174249, A233427.

Sequence in context: A228636 A306758 A340983 * A010894 A002045 A063699

Adjacent sequences: A247115 A247116 A247117 * A247119 A247120 A247121

Keyword

nonn

Author

Alois P. Heinz, Nov 19 2014

Status

approved