n | a(n) |
---|---|
2 | 1 |
3 | 10 |
4 | 75 |
5 | 500 |
6 | 3149 |
7 | 19214 |
8 | 115031 |
9 | 680424 |
10 | 3992921 |
11 | 23305234 |
12 | 135514019 |
13 | 785892316 |
14 | 4549048229 |
15 | 26295995926 |
16 | 151857925039 |
17 | 876366840784 |
18 | 5055045581745 |
19 | 29148894792730 |
20 | 168045778127355 |
21 | 968679251764676 |
22 | 5583525654107645 |
23 | 32183666525389086 |
24 | 185514611981021959 |
[1,10,75,500,3149,19214,115031,680424,3992921, 23305234,135514019,785892316,4549048229, 26295995926,151857925039,876366840784, 5055045581745,29148894792730,168045778127355, 968679251764676,5583525654107645, 32183666525389086,185514611981021959] |