n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 15 |
3 | 40 |
4 | 95 |
5 | 205 |
6 | 420 |
7 | 820 |
8 | 1535 |
9 | 2785 |
10 | 4915 |
11 | 8460 |
12 | 14260 |
13 | 23590 |
14 | 38360 |
15 | 61440 |
16 | 97055 |
17 | 151370 |
18 | 233355 |
19 | 355900 |
20 | 537395 |
21 | 803960 |
22 | 1192380 |
23 | 1754140 |
24 | 2560980 |
25 | 3712205 |
26 | 5344570 |
27 | 7645600 |
28 | 10871080 |
29 | 15368350 |
30 | 21607220 |
31 | 30220360 |
32 | 42056415 |
33 | 58249680 |
34 | 80310510 |
[1,5,15,40,95,205,420,820,1535,2785,4915,8460, 14260,23590,38360,61440,97055,151370,233355, 355900,537395,803960,1192380,1754140,2560980, 3712205,5344570,7645600,10871080,15368350, 21607220,30220360,42056415,58249680,80310510] |