n | a(n) |
---|---|
1 | 1 |
2 | 20 |
3 | 534 |
4 | 11016 |
5 | 150590 |
6 | 1441046 |
7 | 10457226 |
8 | 61213311 |
9 | 302092215 |
10 | 1297497783 |
11 | 4965323693 |
12 | 17234628058 |
13 | 55015736433 |
14 | 163298076933 |
15 | 454724969302 |
16 | 1196643377731 |
17 | 2994141259048 |
18 | 7159760760474 |
19 | 16433842970073 |
20 | 36343144995894 |
[1,20,534,11016,150590,1441046,10457226,61213311, 302092215,1297497783,4965323693,17234628058, 55015736433,163298076933,454724969302, 1196643377731,2994141259048,7159760760474, 16433842970073,36343144995894] |