n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 22 |
5 | 98 |
6 | 522 |
7 | 3262 |
8 | 23486 |
9 | 191802 |
10 | 1753618 |
11 | 17755382 |
12 | 197282022 |
13 | 2387112466 |
14 | 31249472282 |
15 | 440096734638 |
16 | 6635304614542 |
17 | 106638824162282 |
18 | 1819969265702946 |
19 | 32873194861759462 |
20 | 626524419718239158 |
21 | 12565295306571352002 |
22 | 264532532769923200042 |
[1,2,6,22,98,522,3262,23486,191802,1753618, 17755382,197282022,2387112466,31249472282, 440096734638,6635304614542,106638824162282, 1819969265702946,32873194861759462, 626524419718239158,12565295306571352002, 264532532769923200042] |