n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 63 |
4 | 492 |
5 | 4545 |
6 | 46935 |
7 | 530562 |
8 | 6485211 |
9 | 84764205 |
10 | 1176089460 |
11 | 17217555903 |
12 | 264670166322 |
13 | 4255132537038 |
14 | 71307312415452 |
15 | 1242006842599569 |
16 | 22428783284638182 |
17 | 419022897322142115 |
18 | 8083317501072692514 |
[1,3,9,63,492,4545,46935,530562,6485211,84764205, 1176089460,17217555903,264670166322,4255132537038, 71307312415452,1242006842599569,22428783284638182, 419022897322142115,8083317501072692514] |