n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 28 |
4 | 84 |
5 | 210 |
6 | 462 |
7 | 924 |
8 | 1716 |
9 | 3003 |
10 | 5004 |
11 | 7995 |
12 | 12306 |
13 | 18312 |
14 | 26418 |
15 | 37038 |
16 | 50568 |
17 | 67353 |
18 | 87648 |
19 | 111573 |
20 | 139068 |
21 | 169863 |
22 | 203463 |
23 | 239148 |
24 | 275988 |
25 | 312873 |
26 | 348558 |
27 | 381723 |
28 | 411048 |
29 | 435303 |
30 | 453438 |
31 | 464653 |
32 | 468448 |
33 | 464653 |
34 | 453438 |
35 | 435303 |
36 | 411048 |
37 | 381723 |
38 | 348558 |
39 | 312873 |
40 | 275988 |
41 | 239148 |
42 | 203463 |
43 | 169863 |
44 | 139068 |
45 | 111573 |
46 | 87648 |
47 | 67353 |
48 | 50568 |
49 | 37038 |
50 | 26418 |
51 | 18312 |
52 | 12306 |
53 | 7995 |
54 | 5004 |
55 | 3003 |
56 | 1716 |
57 | 924 |
58 | 462 |
59 | 210 |
60 | 84 |
61 | 28 |
62 | 7 |
63 | 1 |
[1,7,28,84,210,462,924,1716,3003,5004,7995,12306, 18312,26418,37038,50568,67353,87648,111573,139068, 169863,203463,239148,275988,312873,348558,381723, 411048,435303,453438,464653,468448,464653,453438, 435303,411048,381723,348558,312873,275988,239148, 203463,169863,139068,111573,87648,67353,50568, 37038,26418,18312,12306,7995,5004,3003,1716,924, 462,210,84,28,7,1] |