n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 13 |
4 | 40 |
5 | 313 |
6 | 1833 |
7 | 27784 |
8 | 312227 |
9 | 9039597 |
10 | 194485968 |
11 | 10791499905 |
12 | 444739929613 |
13 | 47257907376576 |
14 | 3730171679762583 |
15 | 759195182636849001 |
16 | 114775951820515671520 |
17 | 44741688449064266073777 |
[1,2,3,13,40,313,1833,27784,312227,9039597, 194485968,10791499905,444739929613,47257907376576, 3730171679762583,759195182636849001, 114775951820515671520,44741688449064266073777] |