n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 21 |
4 | 220 |
5 | 2846 |
6 | 41621 |
7 | 670568 |
8 | 11570877 |
9 | 210605770 |
10 | 3998468431 |
11 | 78556582448 |
12 | 1587757499592 |
13 | 32866068149376 |
14 | 694307793698105 |
15 | 14927522659021682 |
16 | 325895131806047690 |
17 | 7211436102222542901 |
18 | 161493494674514291108 |
19 | 3655277488432342084426 |
[1,1,3,21,220,2846,41621,670568,11570877, 210605770,3998468431,78556582448,1587757499592, 32866068149376,694307793698105,14927522659021682, 325895131806047690,7211436102222542901, 161493494674514291108,3655277488432342084426] |