n | a(n) |
---|---|
1 | 2 |
2 | 45 |
3 | 164 |
4 | 934 |
5 | 4237 |
6 | 21777 |
7 | 105585 |
8 | 523414 |
9 | 2578424 |
10 | 12726069 |
11 | 62802085 |
12 | 309849336 |
13 | 1529212139 |
14 | 7545987106 |
15 | 37239443170 |
16 | 183771070484 |
17 | 906898467298 |
18 | 4475474508545 |
19 | 22086156194245 |
20 | 108993766999235 |
21 | 537877222587527 |
[2,45,164,934,4237,21777,105585,523414,2578424, 12726069,62802085,309849336,1529212139,7545987106, 37239443170,183771070484,906898467298, 4475474508545,22086156194245,108993766999235, 537877222587527] |