n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 22 |
4 | 405 |
5 | 10741 |
6 | 368868 |
7 | 15516804 |
8 | 771464278 |
9 | 44218721793 |
10 | 2868879752822 |
11 | 207739939478618 |
12 | 16602826428818482 |
13 | 1451305771147909684 |
14 | 137715836041691050398 |
15 | 14096224186664736126206 |
16 | 1547966111897855935957132 |
17 | 181519663430661533452513680 |
18 | 22636566614411901986006002896 |
[1,1,2,22,405,10741,368868,15516804,771464278, 44218721793,2868879752822,207739939478618, 16602826428818482,1451305771147909684, 137715836041691050398,14096224186664736126206, 1547966111897855935957132, 181519663430661533452513680, 22636566614411901986006002896] |