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A247120 Number of tilings of a 10 X n rectangle using 2n pentominoes of shape L. 0
1, 0, 4, 0, 16, 32, 76, 384, 386, 2976, 3952, 20520, 41104, 136160, 393624, 1027072, 3412146, 8470840, 27988904, 74155272, 230939032, 655493408, 1942645984, 5765577688, 16807041186, 50708538824, 148118970352, 446903215688, 1320213337712, 3968685090000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..29.

Wikipedia, Pentomino

CROSSREFS

Cf. A174249, A233427.

Sequence in context: A261979 A007216 A057378 * A002979 A137279 A233807

Adjacent sequences:  A247117 A247118 A247119 * A247121 A247122 A247123

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Nov 19 2014

STATUS

approved

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Last modified November 19 18:39 EST 2019. Contains 329323 sequences. (Running on oeis4.)