n | a(n) |
---|---|
1 | 1 |
2 | 10 |
3 | 44 |
4 | 242 |
5 | 1298 |
6 | 7266 |
7 | 40632 |
8 | 231916 |
9 | 1320876 |
10 | 7630236 |
11 | 43951298 |
12 | 255926506 |
13 | 1485664226 |
14 | 8700154180 |
15 | 50792100530 |
16 | 298703878402 |
17 | 1751415860436 |
18 | 10333766393384 |
19 | 60797757383394 |
20 | 359661008763242 |
21 | 2121869963574120 |
[1,10,44,242,1298,7266,40632,231916,1320876, 7630236,43951298,255926506,1485664226,8700154180, 50792100530,298703878402,1751415860436, 10333766393384,60797757383394,359661008763242, 2121869963574120] |