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A000699 formatted as a simple table:

n a(n)
1 1
2 1
3 4
4 27
5 248
6 2830
7 38232
8 593859
9 10401712
10 202601898
11 4342263000
12 101551822350
13 2573779506192
14 70282204726396
15 2057490936366320
16 64291032462761955
17 2136017303903513184
18 75197869250518812754

[1,1,4,27,248,2830,38232,593859,10401712,
 202601898,4342263000,101551822350,2573779506192,
 70282204726396,2057490936366320,64291032462761955,
 2136017303903513184,75197869250518812754]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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