n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 2 |
5 | 12 |
6 | 46 |
7 | 140 |
8 | 344 |
9 | 732 |
10 | 1400 |
11 | 2468 |
12 | 4080 |
13 | 6404 |
14 | 9632 |
15 | 13980 |
16 | 19688 |
17 | 27020 |
18 | 36264 |
19 | 47732 |
20 | 61760 |
21 | 78708 |
22 | 98960 |
23 | 122924 |
24 | 151032 |
25 | 183740 |
26 | 221528 |
27 | 264900 |
28 | 314384 |
29 | 370532 |
30 | 433920 |
31 | 505148 |
32 | 584840 |
33 | 673644 |
34 | 772232 |
35 | 881300 |
36 | 1001568 |
37 | 1133780 |
38 | 1278704 |
39 | 1437132 |
[0,0,0,0,2,12,46,140,344,732,1400,2468,4080,6404, 9632,13980,19688,27020,36264,47732,61760,78708, 98960,122924,151032,183740,221528,264900,314384, 370532,433920,505148,584840,673644,772232,881300, 1001568,1133780,1278704,1437132] |