n | a(n) |
---|---|
1 | 0 |
2 | 21 |
3 | 563 |
4 | 9403 |
5 | 135578 |
6 | 1814815 |
7 | 23204876 |
8 | 287769879 |
9 | 3491293862 |
10 | 41667398364 |
11 | 490998416023 |
12 | 5727556631915 |
13 | 66266101711488 |
14 | 761498455531330 |
15 | 8701271226331052 |
16 | 98948856313647335 |
17 | 1120614615517688964 |
[0,21,563,9403,135578,1814815,23204876,287769879, 3491293862,41667398364,490998416023,5727556631915, 66266101711488,761498455531330,8701271226331052, 98948856313647335,1120614615517688964] |