n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 21 |
4 | 217 |
5 | 2910 |
6 | 47598 |
7 | 915221 |
8 | 20182962 |
9 | 501463686 |
10 | 13849394018 |
11 | 420676546425 |
12 | 13933516789491 |
13 | 499667134001968 |
14 | 19284476610918801 |
15 | 796927418729315367 |
16 | 35106627960374772536 |
17 | 1642235046999495643086 |
18 | 81296320098443729853915 |
19 | 4245930159553383360368993 |
[1,3,21,217,2910,47598,915221,20182962,501463686, 13849394018,420676546425,13933516789491, 499667134001968,19284476610918801, 796927418729315367,35106627960374772536, 1642235046999495643086,81296320098443729853915, 4245930159553383360368993] |