n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 15 |
3 | 115 |
4 | 1189 |
5 | 15456 |
6 | 242047 |
7 | 4435929 |
8 | 93149001 |
9 | 2205405829 |
10 | 58130412911 |
11 | 1688353631328 |
12 | 53577891882061 |
13 | 1844491975179855 |
14 | 68470281953483775 |
15 | 2726406212682669391 |
16 | 115921586524134874897 |
17 | 5241862216131004082160 |
18 | 251197634537351883217999 |
[1,3,15,115,1189,15456,242047,4435929,93149001, 2205405829,58130412911,1688353631328, 53577891882061,1844491975179855,68470281953483775, 2726406212682669391,115921586524134874897, 5241862216131004082160,251197634537351883217999] |