A269959 Number of tilings of a 10 X 3n rectangle using 10n trominoes of any shape.

1, 8266, 379419508, 25020222581494, 1830607857363940042, 137787968143635937039786, 10448677822353537147395706384, 793868918375370204415242288244707, 60346488218332294539638857492286577712, 4587865445075128062280066720936757293474915

Offset

0,2

Links

Alois P. Heinz, Table of n, a(n) for n = 0..200

Wikipedia, Tromino

Crossrefs

Trisection of column k=10 of A233320.

Sequence in context: A345593 A345851 A166194 * A188101 A157731 A252581

Adjacent sequences: A269956 A269957 A269958 * A269960 A269961 A269962

Keyword

nonn

Author

Alois P. Heinz, Mar 08 2016

Status

approved