n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 7 |
5 | 36 |
6 | 243 |
7 | 2016 |
8 | 19745 |
9 | 222318 |
10 | 2824546 |
11 | 39938124 |
12 | 621808679 |
13 | 10569132576 |
14 | 194745803641 |
15 | 3866820606006 |
16 | 82313887902511 |
17 | 1870203518285750 |
18 | 45174881008705328 |
19 | 1156071783429567906 |
20 | 31246398342838909318 |
[1,1,2,7,36,243,2016,19745,222318,2824546, 39938124,621808679,10569132576,194745803641, 3866820606006,82313887902511,1870203518285750, 45174881008705328,1156071783429567906, 31246398342838909318] |