n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 11 |
5 | 46 |
6 | 267 |
7 | 1767 |
8 | 17587 |
9 | 243760 |
10 | 4437947 |
11 | 112889388 |
12 | 3947281130 |
13 | 187476143214 |
14 | 12242161648191 |
15 | 1095392081180001 |
16 | 134002137948473492 |
17 | 22462563463091094957 |
18 | 5156385913433257078626 |
[1,1,2,5,11,46,267,1767,17587,243760,4437947, 112889388,3947281130,187476143214,12242161648191, 1095392081180001,134002137948473492, 22462563463091094957,5156385913433257078626] |