n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 17 |
5 | 79 |
6 | 474 |
7 | 3468 |
8 | 29799 |
9 | 293528 |
10 | 3258373 |
11 | 40234231 |
12 | 546921835 |
13 | 8115147998 |
14 | 130503876054 |
15 | 2260929219675 |
16 | 41979302557200 |
17 | 831593152814251 |
18 | 17506400133530765 |
19 | 390278100156698627 |
20 | 9185223726173708408 |
21 | 227578002295869672508 |
22 | 5921091852493279814589 |
[0,1,2,5,17,79,474,3468,29799,293528,3258373, 40234231,546921835,8115147998,130503876054, 2260929219675,41979302557200,831593152814251, 17506400133530765,390278100156698627, 9185223726173708408,227578002295869672508, 5921091852493279814589] |