n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 111 |
5 | 911 |
6 | 8622 |
7 | 91414 |
8 | 1067579 |
9 | 13564195 |
10 | 185687381 |
11 | 2718184470 |
12 | 42288343176 |
13 | 695667651368 |
14 | 12049465530936 |
15 | 218945489692574 |
16 | 4160440403683643 |
17 | 82448824370010887 |
18 | 1699889286488298603 |
19 | 36384381642357676480 |
20 | 806926050321577391347 |
21 | 18510872795071148287531 |
[1,1,3,16,111,911,8622,91414,1067579,13564195, 185687381,2718184470,42288343176,695667651368, 12049465530936,218945489692574,4160440403683643, 82448824370010887,1699889286488298603, 36384381642357676480,806926050321577391347, 18510872795071148287531] |