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A088457 formatted as a simple table:

n a(n)
0 1
1 0
2 1
3 2
4 4
5 8
6 18
7 44
8 113
9 296
10 782
11 2076
12 5538
13 14856
14 40100
15 108936
16 297793
17 818832
18 2263481
19 6286498
20 17532707
21 49077268
22 137821247
23 388150322
24 1095980561
25 3101840232
26 8797579789
27 25001305410
28 71179961918
29 203000438544

[1,0,1,2,4,8,18,44,113,296,782,2076,5538,14856,
 40100,108936,297793,818832,2263481,6286498,
 17532707,49077268,137821247,388150322,1095980561,
 3101840232,8797579789,25001305410,71179961918,
 203000438544]

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


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