n | a(n) |
---|---|
1 | 44 |
2 | 217 |
3 | 1000 |
4 | 4535 |
5 | 20242 |
6 | 89677 |
7 | 395240 |
8 | 1736779 |
9 | 7617286 |
10 | 33369545 |
11 | 146077396 |
12 | 639173575 |
13 | 2795963426 |
14 | 12228336613 |
15 | 53475556816 |
16 | 233837032739 |
17 | 1022474657182 |
18 | 4470747289345 |
19 | 19547912489996 |
20 | 85470468806527 |
21 | 373705021918234 |
[44,217,1000,4535,20242,89677,395240,1736779, 7617286,33369545,146077396,639173575,2795963426, 12228336613,53475556816,233837032739, 1022474657182,4470747289345,19547912489996, 85470468806527,373705021918234] |