n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 23 |
3 | 61 |
4 | 160 |
5 | 419 |
6 | 1097 |
7 | 2872 |
8 | 7519 |
9 | 19685 |
10 | 51536 |
11 | 134923 |
12 | 353233 |
13 | 924776 |
14 | 2421095 |
15 | 6338509 |
16 | 16594432 |
17 | 43444787 |
18 | 113739929 |
19 | 297775000 |
20 | 779585071 |
21 | 2040980213 |
22 | 5343355568 |
23 | 13989086491 |
24 | 36623903905 |
25 | 95882625224 |
26 | 251023971767 |
27 | 657189290077 |
28 | 1720543898464 |
[1,8,23,61,160,419,1097,2872,7519,19685,51536, 134923,353233,924776,2421095,6338509,16594432, 43444787,113739929,297775000,779585071,2040980213, 5343355568,13989086491,36623903905,95882625224, 251023971767,657189290077,1720543898464] |