n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 11 |
5 | 31 |
6 | 107 |
7 | 379 |
8 | 1451 |
9 | 5611 |
10 | 22187 |
11 | 87979 |
12 | 350891 |
13 | 1400491 |
14 | 5597867 |
15 | 22379179 |
16 | 89500331 |
17 | 357952171 |
18 | 1431743147 |
19 | 5726775979 |
20 | 22906841771 |
21 | 91626580651 |
22 | 366505274027 |
23 | 1466017950379 |
24 | 5864067607211 |
[1,1,2,4,11,31,107,379,1451,5611,22187,87979, 350891,1400491,5597867,22379179,89500331, 357952171,1431743147,5726775979,22906841771, 91626580651,366505274027,1466017950379, 5864067607211] |