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A247772
Number of tilings of a 5 X n rectangle using n pentominoes of any but the U shape.
2
1, 1, 5, 39, 369, 2908, 19185, 137200, 1022915, 7606043, 55699672, 405617356, 2969215193, 21791407596, 159806458014, 1170659384512, 8574740528977, 62830753812692, 460445907547463, 3374031670320652, 24722398637797408, 181148733466258107, 1327366881461315358
OFFSET
0,3
LINKS
Wikipedia, Pentomino
CROSSREFS
Column k=0 of A247708.
Sequence in context: A378919 A266456 A365765 * A129763 A277424 A182954
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Sep 23 2014
STATUS
approved