n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 27 |
3 | 101 |
4 | 377 |
5 | 1407 |
6 | 5251 |
7 | 19597 |
8 | 73137 |
9 | 272951 |
10 | 1018667 |
11 | 3801717 |
12 | 14188201 |
13 | 52951087 |
14 | 197616147 |
15 | 737513501 |
16 | 2752437857 |
17 | 10272237927 |
18 | 38336513851 |
19 | 143073817477 |
20 | 533958756057 |
21 | 1992761206751 |
22 | 7437086070947 |
23 | 27755583077037 |
[1,7,27,101,377,1407,5251,19597,73137,272951, 1018667,3801717,14188201,52951087,197616147, 737513501,2752437857,10272237927,38336513851, 143073817477,533958756057,1992761206751, 7437086070947,27755583077037] |