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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: ._. ._. ._. |_| | | |_| |_| | | | | |_| | | | | |_| | | | | |_| |_| | | |_| |_| |_| . 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 April 15 02:01 EDT 2024. Contains 371667 sequences. (Running on oeis4.)