n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 6 |
4 | 55 |
5 | 66 |
6 | 153 |
7 | 171 |
8 | 351 |
9 | 595 |
10 | 666 |
11 | 3003 |
12 | 5995 |
13 | 8778 |
14 | 15051 |
15 | 17578 |
16 | 66066 |
17 | 87571 |
18 | 185745 |
19 | 547581 |
20 | 617716 |
21 | 828828 |
22 | 1269621 |
23 | 1461195 |
24 | 1680861 |
25 | 3544453 |
26 | 5073705 |
27 | 5676765 |
28 | 5911641 |
29 | 6295926 |
30 | 12145056 |
31 | 12517506 |
32 | 35133153 |
33 | 60571521 |
[1,3,6,55,66,153,171,351,595,666,3003,5995,8778, 15051,17578,66066,87571,185745,547581,617716, 828828,1269621,1461195,1680861,3544453,5073705, 5676765,5911641,6295926,12145056,12517506, 35133153,60571521] |