n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | 12 |
4 | 40 |
5 | 100 |
6 | 210 |
7 | 392 |
8 | 672 |
9 | 1080 |
10 | 1650 |
11 | 2420 |
12 | 3432 |
13 | 4732 |
14 | 6370 |
15 | 8400 |
16 | 10880 |
17 | 13872 |
18 | 17442 |
19 | 21660 |
20 | 26600 |
21 | 32340 |
22 | 38962 |
23 | 46552 |
24 | 55200 |
25 | 65000 |
26 | 76050 |
27 | 88452 |
28 | 102312 |
29 | 117740 |
30 | 134850 |
31 | 153760 |
32 | 174592 |
33 | 197472 |
34 | 222530 |
35 | 249900 |
36 | 279720 |
37 | 312132 |
[0,0,2,12,40,100,210,392,672,1080,1650,2420,3432, 4732,6370,8400,10880,13872,17442,21660,26600, 32340,38962,46552,55200,65000,76050,88452,102312, 117740,134850,153760,174592,197472,222530,249900, 279720,312132] |