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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 7 |
| 7 | 10 |
| 8 | 28 |
| 9 | 99 |
| 10 | 1908 |
| 11 | 136178 |
| 12 | 246396654 |
| 13 | 33083692025310 |
| 14 | 8147205746460109635768 |
| 15 | 269537638338486762080764802762484576 |
| 16 | 2195978587041305889551144566841383797948181151148527903340 |
[1,2,3,4,5,7,10,28,99,1908,136178,246396654, 33083692025310,8147205746460109635768, 269537638338486762080764802762484576, 21959785870413058895511445668413837979481811511485\ 27903340] |