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A086616 formatted as a simple table:

n a(n)
0 1
1 3
2 9
3 31
4 121
5 515
6 2321
7 10879
8 52465
9 258563
10 1296281
11 6589727
12 33887465
13 175966211
14 921353249
15 4858956287
16 25786112993
17 137604139011
18 737922992937
19 3974647310111
20 21493266631001
21 116642921832963
22 635074797251889

[1,3,9,31,121,515,2321,10879,52465,258563,1296281,
 6589727,33887465,175966211,921353249,4858956287,
 25786112993,137604139011,737922992937,
 3974647310111,21493266631001,116642921832963,
 635074797251889]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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