[seqfan] a sequence idea: polyominoes with unique domino tiling

Tanya Khovanova mathoflove-seqfan at yahoo.com
Tue Jun 5 18:11:01 CEST 2012

I suggest a sequence: a(n) is the number of polyominoes of size 2n that have a unique domino tiling. I think it starts 1,3,20. But I do not know if it is in the OEIS or not.

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