n | a(n) |
---|---|
1 | 8 |
2 | 8 |
3 | 69 |
4 | 156 |
5 | 451 |
6 | 2595 |
7 | 12150 |
8 | 58407 |
9 | 280852 |
10 | 1405171 |
11 | 7015294 |
12 | 34368476 |
13 | 167469177 |
14 | 825952633 |
15 | 4089662044 |
16 | 20170838069 |
17 | 99218328768 |
18 | 488970338928 |
19 | 2413015142592 |
20 | 11903686509071 |
21 | 58695278806839 |
22 | 289412617546604 |
[8,8,69,156,451,2595,12150,58407,280852,1405171, 7015294,34368476,167469177,825952633,4089662044, 20170838069,99218328768,488970338928, 2413015142592,11903686509071,58695278806839, 289412617546604] |