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A000111 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 2
4 5
5 16
6 61
7 272
8 1385
9 7936
10 50521
11 353792
12 2702765
13 22368256
14 199360981
15 1903757312
16 19391512145
17 209865342976
18 2404879675441
19 29088885112832
20 370371188237525
21 4951498053124096
22 69348874393137901

[1,1,1,2,5,16,61,272,1385,7936,50521,353792,
 2702765,22368256,199360981,1903757312,19391512145,
 209865342976,2404879675441,29088885112832,
 370371188237525,4951498053124096,
 69348874393137901]

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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