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A003766 formatted as a simple table:

n a(n)
1 6
2 152
3 1608
4 15420
5 127980
6 1003360
7 7432708
8 53294540
9 371397240
10 2537155684
11 17047659916
12 113102692016
13 742597784164
14 4835184613212
15 31267479066856
16 201066698078244
17 1286998671857356
18 8206523391863296

[6,152,1608,15420,127980,1003360,7432708,53294540,
 371397240,2537155684,17047659916,113102692016,
 742597784164,4835184613212,31267479066856,
 201066698078244,1286998671857356,
 8206523391863296]

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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