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A019439 Number of ways of tiling a 2 X n rectangle with dominoes and triominoes. +0
1
1, 2, 6, 17, 43, 108, 280, 727, 1875, 4832 (list; graph; listen)
OFFSET

1,2

COMMENT

The old entry with this sequence number was a duplicate of A007737.

REFERENCES

Jaime Rangel-Mondragon, Polyominoes and Related Families, The Mathematica Journal, 9:3 (2005), 609-640.

KEYWORD

nonn,new

AUTHOR

njas, Oct 04 2008

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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