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A032016 formatted as a simple table:

n a(n)
1 1
2 2
3 15
4 40
5 345
6 2586
7 12691
8 184752
9 1398249
10 11704510
11 175017051
12 1967695236
13 20087686801
14 255021799774
15 4806149903535
16 56671523111776
17 701133947596833
18 13717397944130022
19 239656702550550643

[1,2,15,40,345,2586,12691,184752,1398249,11704510,
 175017051,1967695236,20087686801,255021799774,
 4806149903535,56671523111776,701133947596833,
 13717397944130022,239656702550550643]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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