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A278877 Number of tilings of a 6 X n rectangle using pentominoes of any shape and monominoes. 5
1, 3, 155, 11914, 728857, 42238426, 2492016728, 147382229321, 8704392890599, 514207059584879, 30367424047335204, 1793195869965086337, 105893252956708204722, 6253339527216096201144, 369279138864066223011929, 21807048314051213226593407 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..300

Wikipedia, Pentomino

EXAMPLE

a(1) = 3:

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CROSSREFS

Column k=6 of A278657.

Sequence in context: A344898 A327058 A087306 * A203682 A316479 A139964

Adjacent sequences:  A278874 A278875 A278876 * A278878 A278879 A278880

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Nov 29 2016

STATUS

approved

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Last modified September 17 03:42 EDT 2021. Contains 347478 sequences. (Running on oeis4.)