n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 13 |
3 | 57 |
4 | 267 |
5 | 1257 |
6 | 6017 |
7 | 29083 |
8 | 141331 |
9 | 690487 |
10 | 3385973 |
11 | 16649173 |
12 | 82076225 |
13 | 405330895 |
14 | 2004921199 |
15 | 9930361219 |
16 | 49237097027 |
17 | 244364421121 |
18 | 1213744225013 |
19 | 6032722249383 |
20 | 30002921122973 |
21 | 149292133667741 |
22 | 743207409191389 |
23 | 3701336739264833 |
24 | 18439992662186813 |
25 | 91896990245046237 |
[1,3,13,57,267,1257,6017,29083,141331,690487, 3385973,16649173,82076225,405330895,2004921199, 9930361219,49237097027,244364421121,1213744225013, 6032722249383,30002921122973,149292133667741, 743207409191389,3701336739264833, 18439992662186813,91896990245046237] |