n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 14 |
4 | 84 |
5 | 595 |
6 | 4750 |
7 | 41541 |
8 | 390566 |
9 | 3895957 |
10 | 40835749 |
11 | 446475634 |
12 | 5063092427 |
13 | 59282989982 |
14 | 714081785678 |
15 | 8821809194321 |
16 | 111497133471808 |
17 | 1438600278753167 |
18 | 18914553873419637 |
19 | 253017056507051876 |
20 | 3438813481812082962 |
21 | 47430059072002670873 |
22 | 663174089700143765780 |
[1,1,3,14,84,595,4750,41541,390566,3895957, 40835749,446475634,5063092427,59282989982, 714081785678,8821809194321,111497133471808, 1438600278753167,18914553873419637, 253017056507051876,3438813481812082962, 47430059072002670873,663174089700143765780] |