n | a(n) |
---|---|
0 | 1 |
1 | 15 |
2 | 157 |
3 | 1419 |
4 | 11869 |
5 | 94731 |
6 | 733069 |
7 | 5551323 |
8 | 41378557 |
9 | 304766187 |
10 | 2224062061 |
11 | 16112628987 |
12 | 116053574365 |
13 | 831966057483 |
14 | 5941308640333 |
15 | 42294437942811 |
16 | 300292730428093 |
17 | 2127439102098219 |
18 | 15044413649559085 |
[1,15,157,1419,11869,94731,733069,5551323, 41378557,304766187,2224062061,16112628987, 116053574365,831966057483,5941308640333, 42294437942811,300292730428093,2127439102098219, 15044413649559085] |