n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 19 |
4 | 73 |
5 | 241 |
6 | 847 |
7 | 2899 |
8 | 10033 |
9 | 34561 |
10 | 119287 |
11 | 411379 |
12 | 1419193 |
13 | 4895281 |
14 | 16886527 |
15 | 58249459 |
16 | 200931553 |
17 | 693110401 |
18 | 2390878567 |
19 | 8247309139 |
20 | 28449011113 |
21 | 98134567921 |
22 | 338514191407 |
23 | 1167701222419 |
24 | 4027973401873 |
[1,1,7,19,73,241,847,2899,10033,34561,119287, 411379,1419193,4895281,16886527,58249459, 200931553,693110401,2390878567,8247309139, 28449011113,98134567921,338514191407, 1167701222419,4027973401873] |