n | a(n) |
---|---|
1 | 2 |
2 | 7 |
3 | 3907 |
4 | 19609 |
5 | 66431 |
6 | 4288307 |
7 | 54066637 |
8 | 71270179 |
9 | 351925757 |
10 | 512604457 |
11 | 1178420167 |
12 | 24065769961 |
13 | 30763687627 |
14 | 48616590079 |
15 | 130674467449 |
16 | 229898795029 |
17 | 329720803007 |
18 | 363825386107 |
19 | 886352920147 |
20 | 2479006804507 |
[2,7,3907,19609,66431,4288307,54066637,71270179, 351925757,512604457,1178420167,24065769961, 30763687627,48616590079,130674467449,229898795029, 329720803007,363825386107,886352920147, 2479006804507] |