n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 13 |
4 | 41 |
5 | 121 |
6 | 365 |
7 | 1093 |
8 | 3281 |
9 | 9841 |
10 | 29525 |
11 | 88573 |
12 | 265721 |
13 | 797161 |
14 | 2391485 |
15 | 7174453 |
16 | 21523361 |
17 | 64570081 |
18 | 193710245 |
19 | 581130733 |
20 | 1743392201 |
21 | 5230176601 |
22 | 15690529805 |
23 | 47071589413 |
24 | 141214768241 |
25 | 423644304721 |
26 | 1270932914165 |
[0,1,5,13,41,121,365,1093,3281,9841,29525,88573, 265721,797161,2391485,7174453,21523361,64570081, 193710245,581130733,1743392201,5230176601, 15690529805,47071589413,141214768241,423644304721, 1270932914165] |