n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 14 |
4 | 61 |
5 | 269 |
6 | 1184 |
7 | 5213 |
8 | 22951 |
9 | 101046 |
10 | 444873 |
11 | 1958633 |
12 | 8623232 |
13 | 37965321 |
14 | 167149115 |
15 | 735903870 |
16 | 3239948389 |
17 | 14264452181 |
18 | 62801801632 |
19 | 276496162501 |
20 | 1217323801087 |
21 | 5359485727718 |
22 | 23596094350545 |
23 | 103886025056529 |
24 | 457376803199488 |
25 | 2013683168560465 |
[1,3,14,61,269,1184,5213,22951,101046,444873, 1958633,8623232,37965321,167149115,735903870, 3239948389,14264452181,62801801632,276496162501, 1217323801087,5359485727718,23596094350545, 103886025056529,457376803199488,2013683168560465] |