n | a(n) |
---|---|
1 | 3 |
2 | 23 |
3 | 76 |
4 | 391 |
5 | 1895 |
6 | 8118 |
7 | 37661 |
8 | 172339 |
9 | 791490 |
10 | 3631677 |
11 | 16619517 |
12 | 76129750 |
13 | 348810191 |
14 | 1598275415 |
15 | 7323187236 |
16 | 33551912535 |
17 | 153722248869 |
18 | 704306601498 |
19 | 3226924900161 |
20 | 14784806391213 |
21 | 67739415602004 |
22 | 310360945033631 |
[3,23,76,391,1895,8118,37661,172339,791490, 3631677,16619517,76129750,348810191,1598275415, 7323187236,33551912535,153722248869,704306601498, 3226924900161,14784806391213,67739415602004, 310360945033631] |