n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 6 |
5 | 1 |
6 | 1 |
7 | 28 |
8 | 70 |
9 | 28 |
10 | 1 |
11 | 1 |
12 | 120 |
13 | 1820 |
14 | 8008 |
15 | 12870 |
16 | 8008 |
17 | 1820 |
18 | 120 |
19 | 1 |
20 | 1 |
21 | 496 |
22 | 35960 |
23 | 906192 |
24 | 10518300 |
25 | 64512240 |
26 | 225792840 |
27 | 471435600 |
28 | 601080390 |
29 | 471435600 |
30 | 225792840 |
31 | 64512240 |
32 | 10518300 |
33 | 906192 |
34 | 35960 |
35 | 496 |
36 | 1 |
[1,1,1,1,6,1,1,28,70,28,1,1,120,1820,8008,12870, 8008,1820,120,1,1,496,35960,906192,10518300, 64512240,225792840,471435600,601080390,471435600, 225792840,64512240,10518300,906192,35960,496,1] |