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A118025 formatted as a simple table:

n a(n)
0 1
1 1
2 2
3 6
4 28
5 216
6 2864
7 66656
8 2760896
9 205824384
10 27886535424
11 6924055315968
12 3173107641551872
13 2700294145104025600
14 4289542333320782426112
15 12777557344991526923034624
16 71652489091220599890081005568

[1,1,2,6,28,216,2864,66656,2760896,205824384,
 27886535424,6924055315968,3173107641551872,
 2700294145104025600,4289542333320782426112,
 12777557344991526923034624,
 71652489091220599890081005568]

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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