A251079 Number of tilings of a 30 X n rectangle using 3n decominoes of shape I.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 89, 225, 415, 665, 981, 1369, 1835, 2385, 3025, 3761, 30169, 79903, 167957, 314911, 548011, 902339, 1422073, 2161837, 3188141, 4580911, 12815576, 31665861, 70135406, 142741143, 272097694, 492367347, 853768306, 1428360119

Offset

0,11

Links

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

Wikipedia, Decomino

Crossrefs

Column k=10 of A251072.

Cf. A250667.

Sequence in context: A132256 A217577 A142826 * A248745 A033257 A145821

Adjacent sequences: A251076 A251077 A251078 * A251080 A251081 A251082

Keyword

nonn

Author

Alois P. Heinz, Nov 29 2014

Status

approved