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A052822
A simple grammar: pairs of cycles of cycles.
+0
2
0, 0, 2, 12, 80, 630, 5816, 61978, 751222, 10225140, 154610048, 2573280820, 46775427860, 922374085984, 19616567407368, 447666534959528, 10913339500879576, 283081184691349600, 7785415448640271232
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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