n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 34 |
5 | 201 |
6 | 1357 |
7 | 10109 |
8 | 81397 |
9 | 698948 |
10 | 6341597 |
11 | 60391832 |
12 | 600661215 |
13 | 6215862360 |
14 | 66726103981 |
15 | 741259084280 |
16 | 8504902411004 |
17 | 100618874020119 |
18 | 1225724374602147 |
19 | 15356200178917791 |
20 | 197646961110310062 |
21 | 2610956607315266757 |
22 | 35370366025297098315 |
[1,1,2,7,34,201,1357,10109,81397,698948,6341597, 60391832,600661215,6215862360,66726103981, 741259084280,8504902411004,100618874020119, 1225724374602147,15356200178917791, 197646961110310062,2610956607315266757, 35370366025297098315] |