n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 2 |
5 | 13 |
6 | 40 |
7 | 93 |
8 | 186 |
9 | 336 |
10 | 560 |
11 | 880 |
12 | 1320 |
13 | 1906 |
14 | 2669 |
15 | 3640 |
16 | 4853 |
17 | 6346 |
18 | 8160 |
19 | 10336 |
20 | 12920 |
21 | 15960 |
22 | 19506 |
23 | 23613 |
24 | 28336 |
25 | 33733 |
26 | 39866 |
27 | 46800 |
28 | 54600 |
29 | 63336 |
30 | 73080 |
31 | 83906 |
32 | 95893 |
33 | 109120 |
34 | 123669 |
35 | 139626 |
36 | 157080 |
37 | 176120 |
38 | 196840 |
39 | 219336 |
40 | 243706 |
41 | 270053 |
42 | 298480 |
[0,0,0,0,2,13,40,93,186,336,560,880,1320,1906, 2669,3640,4853,6346,8160,10336,12920,15960,19506, 23613,28336,33733,39866,46800,54600,63336,73080, 83906,95893,109120,123669,139626,157080,176120, 196840,219336,243706,270053,298480] |