n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 34 |
4 | 151 |
5 | 646 |
6 | 2710 |
7 | 11236 |
8 | 46231 |
9 | 189214 |
10 | 771442 |
11 | 3136156 |
12 | 12720982 |
13 | 51507964 |
14 | 208260556 |
15 | 841065544 |
16 | 3393346711 |
17 | 13679459854 |
18 | 55106773786 |
19 | 221860011244 |
20 | 892741834546 |
21 | 3590659699444 |
22 | 14436037598836 |
23 | 58018598086264 |
[1,7,34,151,646,2710,11236,46231,189214,771442, 3136156,12720982,51507964,208260556,841065544, 3393346711,13679459854,55106773786,221860011244, 892741834546,3590659699444,14436037598836, 58018598086264] |