n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 29 |
3 | 139 |
4 | 666 |
5 | 3191 |
6 | 15289 |
7 | 73254 |
8 | 350981 |
9 | 1681651 |
10 | 8057274 |
11 | 38604719 |
12 | 184966321 |
13 | 886226886 |
14 | 4246168109 |
15 | 20344613659 |
16 | 97476900186 |
17 | 467039887271 |
18 | 2237722536169 |
19 | 10721572793574 |
20 | 51370141431701 |
21 | 246129134364931 |
22 | 1179275530392954 |
23 | 5650248517599839 |
[1,6,29,139,666,3191,15289,73254,350981,1681651, 8057274,38604719,184966321,886226886,4246168109, 20344613659,97476900186,467039887271, 2237722536169,10721572793574,51370141431701, 246129134364931,1179275530392954,5650248517599839] |