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A086828 formatted as a simple table:

n a(n)
1 0
2 1
3 1
4 7
5 11
6 46
7 112
8 434
9 1330
10 5236
11 18536
12 76132
13 298564
14 1288280
15 5468176
16 24792376
17 112283192
18 533753584
19 2554851040
20 12696169136
21 63793189936
22 330412741792
23 1733862920384
24 9333355981600
25 50946066070816

[0,1,1,7,11,46,112,434,1330,5236,18536,76132,
 298564,1288280,5468176,24792376,112283192,
 533753584,2554851040,12696169136,63793189936,
 330412741792,1733862920384,9333355981600,
 50946066070816]

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.


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