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A322502 Number of tilings of a 9 X n rectangle using V (2m+1)-ominoes (m >= 0) in standard orientation. 2
1, 1, 55, 1500, 38097, 957006, 24009733, 600923375, 15029968375, 376116199534, 9394097589045, 234816663728554, 5869407851857410, 146709570371173411, 3667093829512515427, 91661210468678400305, 2291126428942263984999, 57268064504720859650768 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
COMMENTS
The shapes of the tiles are:
._.
._. | |
._. | | | |
._. | |_. | |_._. | |_._._.
|_| |___| |_____| |_______| ... .
LINKS
Wikipedia, Polyomino
CROSSREFS
Column k=9 of A322494.
Sequence in context: A157096 A264467 A017771 * A271796 A222836 A017718
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Dec 12 2018
STATUS
approved

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Last modified February 27 16:21 EST 2024. Contains 370378 sequences. (Running on oeis4.)