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A251077 Number of tilings of a 24 X n rectangle using 3n octominoes of shape I. 3
1, 1, 1, 1, 1, 1, 1, 1, 64, 167, 316, 517, 776, 1099, 1492, 1961, 14428, 39956, 88103, 172509, 311816, 530678, 860861, 1342433, 4020710, 10599604, 24896626, 53438385, 106915866, 202198270, 365048944, 633709553, 1392777233, 3238633334, 7446642085, 16454751188 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,9

LINKS

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

Wikipedia, Octomino

CROSSREFS

Column k=8 of A251072.

Cf. A250665.

Sequence in context: A086052 A044396 A044777 * A228666 A209379 A203448

Adjacent sequences:  A251074 A251075 A251076 * A251078 A251079 A251080

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Nov 29 2014

STATUS

approved

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Last modified September 27 11:57 EDT 2021. Contains 347689 sequences. (Running on oeis4.)