n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 3 |
7 | 6 |
8 | 10 |
9 | 40 |
10 | 60 |
11 | 84 |
12 | 210 |
13 | 280 |
14 | 360 |
15 | 846 |
16 | 1110 |
17 | 1430 |
18 | 4235 |
19 | 5775 |
20 | 7735 |
21 | 24388 |
22 | 33124 |
23 | 44100 |
24 | 128485 |
25 | 170968 |
26 | 223720 |
27 | 639880 |
28 | 846600 |
29 | 1105800 |
30 | 3311187 |
31 | 4401540 |
32 | 5784240 |
33 | 17717910 |
34 | 23544510 |
35 | 30936334 |
36 | 93818725 |
[0,0,0,0,0,3,6,10,40,60,84,210,280,360,846,1110, 1430,4235,5775,7735,24388,33124,44100,128485, 170968,223720,639880,846600,1105800,3311187, 4401540,5784240,17717910,23544510,30936334, 93818725] |