n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 36 |
5 | 158 |
6 | 802 |
7 | 4434 |
8 | 26978 |
9 | 176637 |
10 | 1243528 |
11 | 9316519 |
12 | 74065506 |
13 | 621187700 |
14 | 5480130494 |
15 | 50662481722 |
16 | 489552042241 |
17 | 4931215686119 |
18 | 51668848043427 |
19 | 561981734692781 |
20 | 6333882472789914 |
21 | 73850048237680936 |
22 | 889461218944314524 |
23 | 11051067390893340510 |
[1,1,3,9,36,158,802,4434,26978,176637,1243528, 9316519,74065506,621187700,5480130494,50662481722, 489552042241,4931215686119,51668848043427, 561981734692781,6333882472789914, 73850048237680936,889461218944314524, 11051067390893340510] |