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A052826
A simple grammar: product of cycles and cycles of cycles.
+0
1
0, 0, 2, 9, 48, 315, 2497, 23394, 254132, 3149826, 43945354, 682314028, 11676044036, 218402171520, 4433885571840, 97098961376112, 2281563329170752, 57255174735315792, 1528204674443305680
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.
AT&T Labs Research
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