n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 7 |
5 | 24 |
6 | 103 |
7 | 436 |
8 | 1847 |
9 | 9671 |
10 | 59873 |
11 | 428782 |
12 | 3061347 |
13 | 24919558 |
14 | 202417811 |
15 | 1644262046 |
16 | 13356514179 |
17 | 121852889657 |
18 | 1231885410749 |
19 | 13672592407896 |
20 | 165302994305501 |
21 | 1997308524073908 |
22 | 26130313807266305 |
23 | 367821701825802178 |
[1,1,3,7,24,103,436,1847,9671,59873,428782, 3061347,24919558,202417811,1644262046,13356514179, 121852889657,1231885410749,13672592407896, 165302994305501,1997308524073908, 26130313807266305,367821701825802178] |