n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 10 |
6 | 55 |
7 | 66 |
8 | 120 |
9 | 153 |
10 | 171 |
11 | 190 |
12 | 300 |
13 | 351 |
14 | 595 |
15 | 630 |
16 | 666 |
17 | 820 |
18 | 3003 |
19 | 5995 |
20 | 8778 |
21 | 15051 |
22 | 17578 |
23 | 66066 |
24 | 87571 |
25 | 156520 |
26 | 180300 |
27 | 185745 |
28 | 547581 |
29 | 557040 |
30 | 617716 |
31 | 678030 |
32 | 828828 |
33 | 1269621 |
34 | 1461195 |
35 | 1680861 |
36 | 1851850 |
37 | 3544453 |
38 | 5073705 |
39 | 5676765 |
40 | 5911641 |
[0,1,3,6,10,55,66,120,153,171,190,300,351,595,630, 666,820,3003,5995,8778,15051,17578,66066,87571, 156520,180300,185745,547581,557040,617716,678030, 828828,1269621,1461195,1680861,1851850,3544453, 5073705,5676765,5911641] |