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A147202 formatted as a simple table:

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 17
8 27
9 551
10 1021
11 8573
12 22795
13 308785
14 847643
15 66874367
16 234921783
17 36568568531
18 162590981411
19 22736801115521
20 121607805121155
21 25119564285391935

[1,1,1,1,1,1,17,27,551,1021,8573,22795,308785,
 847643,66874367,234921783,36568568531,
 162590981411,22736801115521,121607805121155,
 25119564285391935]

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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