n | a(n) |
---|---|
1 | 1 |
2 | 50 |
3 | 834 |
4 | 7890 |
5 | 51990 |
6 | 265434 |
7 | 1119210 |
8 | 4063866 |
9 | 13081875 |
10 | 38131900 |
11 | 102259964 |
12 | 255425340 |
13 | 600047436 |
14 | 1336192860 |
15 | 2838530460 |
16 | 5783112156 |
17 | 11350211925 |
18 | 21540508734 |
19 | 39656591950 |
20 | 71021001950 |
21 | 124026854850 |
22 | 211648774950 |
23 | 353581802550 |
24 | 579225802950 |
25 | 931794553575 |
[1,50,834,7890,51990,265434,1119210,4063866, 13081875,38131900,102259964,255425340,600047436, 1336192860,2838530460,5783112156,11350211925, 21540508734,39656591950,71021001950,124026854850, 211648774950,353581802550,579225802950, 931794553575] |