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A270070
Number of tilings of a 10 X n rectangle using monominoes and trominoes of any shape.
2
1, 28, 41956, 37655502, 33738191906, 30334909910156, 27412100990502042, 24725866354382952217, 22294594753523459270694, 20109634299824273864511862, 18137923612752525595542410804, 16359025960283827167827032525174, 14754787194922572653415156965320636
OFFSET
0,2
LINKS
Wikipedia, Tromino
CROSSREFS
Column k=10 of A270061.
Sequence in context: A281324 A370364 A159439 * A159443 A119162 A180067
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Mar 09 2016
STATUS
approved