n | a(n) |
---|---|
1 | 1 |
2 | 17 |
3 | 135 |
4 | 590 |
5 | 5878 |
6 | 74534 |
7 | 732736 |
8 | 8605648 |
9 | 108002628 |
10 | 1278477660 |
11 | 15486707196 |
12 | 190955213876 |
13 | 2326446544887 |
14 | 28396244079395 |
15 | 348166722264565 |
16 | 4259251865365556 |
17 | 52094507515184359 |
18 | 637838654849421958 |
[1,17,135,590,5878,74534,732736,8605648,108002628, 1278477660,15486707196,190955213876,2326446544887, 28396244079395,348166722264565,4259251865365556, 52094507515184359,637838654849421958] |