n | a(n) |
---|---|
0 | 2 |
1 | 7 |
2 | 29 |
3 | 133 |
4 | 641 |
5 | 3157 |
6 | 15689 |
7 | 78253 |
8 | 390881 |
9 | 1953637 |
10 | 9766649 |
11 | 48830173 |
12 | 244144721 |
13 | 1220711317 |
14 | 6103532009 |
15 | 30517610893 |
16 | 152587956161 |
17 | 762939584197 |
18 | 3814697527769 |
19 | 19073486852413 |
20 | 95367432689201 |
21 | 476837160300277 |
[2,7,29,133,641,3157,15689,78253,390881,1953637, 9766649,48830173,244144721,1220711317,6103532009, 30517610893,152587956161,762939584197, 3814697527769,19073486852413,95367432689201, 476837160300277] |