n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 7 |
5 | 36 |
6 | 182 |
7 | 1196 |
8 | 8699 |
9 | 76840 |
10 | 704834 |
11 | 7570716 |
12 | 84889638 |
13 | 1085246904 |
14 | 14322115212 |
15 | 211595659320 |
16 | 3216832016019 |
17 | 53984412657360 |
18 | 928559550102410 |
19 | 17440458896525180 |
20 | 334876925319944690 |
21 | 6960292943873805976 |
22 | 147563833511292247796 |
23 | 3362366089440205308072 |
[1,1,1,2,7,36,182,1196,8699,76840,704834,7570716, 84889638,1085246904,14322115212,211595659320, 3216832016019,53984412657360,928559550102410, 17440458896525180,334876925319944690, 6960292943873805976,147563833511292247796, 3362366089440205308072] |