n | a(n) |
---|---|
1 | 1 |
2 | 8 |
3 | 46 |
4 | 231 |
5 | 1221 |
6 | 6284 |
7 | 32754 |
8 | 170928 |
9 | 888997 |
10 | 4628482 |
11 | 24105642 |
12 | 125519823 |
13 | 653563458 |
14 | 3403159865 |
15 | 17720701794 |
16 | 92272812665 |
17 | 480470439059 |
18 | 2501848357281 |
19 | 13027318240407 |
20 | 67834213566454 |
21 | 353217871857983 |
22 | 1839232324012492 |
[1,8,46,231,1221,6284,32754,170928,888997,4628482, 24105642,125519823,653563458,3403159865, 17720701794,92272812665,480470439059, 2501848357281,13027318240407,67834213566454, 353217871857983,1839232324012492] |