n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 45 |
5 | 243 |
6 | 1611 |
7 | 11565 |
8 | 92169 |
9 | 782775 |
10 | 7078995 |
11 | 67106313 |
12 | 663693597 |
13 | 6797495115 |
14 | 71796341151 |
15 | 778700005929 |
16 | 8645902267653 |
17 | 97997326844499 |
18 | 1131383216210067 |
19 | 13278579296016357 |
20 | 158171247347313933 |
21 | 1909500035430728655 |
22 | 23334309656230665411 |
[1,1,3,9,45,243,1611,11565,92169,782775,7078995, 67106313,663693597,6797495115,71796341151, 778700005929,8645902267653,97997326844499, 1131383216210067,13278579296016357, 158171247347313933,1909500035430728655, 23334309656230665411] |