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A251079 Number of tilings of a 30 X n rectangle using 3n decominoes of shape I. 3
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified September 18 13:51 EDT 2021. Contains 347527 sequences. (Running on oeis4.)