n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 11 |
4 | 44 |
5 | 186 |
6 | 814 |
7 | 3648 |
8 | 16611 |
9 | 76437 |
10 | 354112 |
11 | 1647344 |
12 | 7682237 |
13 | 35873310 |
14 | 167625690 |
15 | 783470179 |
16 | 3662035980 |
17 | 17115684065 |
18 | 79986841677 |
19 | 373759118882 |
20 | 1746296080947 |
[1,3,11,44,186,814,3648,16611,76437,354112, 1647344,7682237,35873310,167625690,783470179, 3662035980,17115684065,79986841677,373759118882, 1746296080947] |