n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 10 |
4 | 47 |
5 | 126 |
6 | 522 |
7 | 1821 |
8 | 8143 |
9 | 26326 |
10 | 109958 |
11 | 396111 |
12 | 1737122 |
13 | 5998955 |
14 | 24949277 |
15 | 91979985 |
16 | 397402223 |
17 | 1418993350 |
18 | 5881338702 |
19 | 22010456331 |
20 | 94022106862 |
21 | 342803313261 |
22 | 1416758002487 |
23 | 5356198979731 |
24 | 22685035586290 |
25 | 83911052895151 |
26 | 345921828889367 |
[1,1,3,10,47,126,522,1821,8143,26326,109958, 396111,1737122,5998955,24949277,91979985, 397402223,1418993350,5881338702,22010456331, 94022106862,342803313261,1416758002487, 5356198979731,22685035586290,83911052895151, 345921828889367] |