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A111555 formatted as a simple table:

n a(n)
0 1
1 3
2 16
3 116
4 1016
5 10176
6 113216
7 1375456
8 18047296
9 253815936
10 3805221376
11 60558070016
12 1019617312256
13 18111737604096
14 338602832961536
15 6648048064792576
16 136810876329865216
17 2945671077411987456

[1,3,16,116,1016,10176,113216,1375456,18047296,
 253815936,3805221376,60558070016,1019617312256,
 18111737604096,338602832961536,6648048064792576,
 136810876329865216,2945671077411987456]

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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