n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 20 |
4 | 330 |
5 | 1224 |
6 | 2726 |
7 | 4807 |
8 | 7458 |
9 | 10679 |
10 | 14470 |
11 | 18831 |
12 | 23762 |
13 | 29263 |
14 | 35334 |
15 | 41975 |
16 | 49186 |
17 | 56967 |
18 | 65318 |
19 | 74239 |
20 | 83730 |
21 | 93791 |
22 | 104422 |
23 | 115623 |
24 | 127394 |
25 | 139735 |
26 | 152646 |
27 | 166127 |
28 | 180178 |
29 | 194799 |
30 | 209990 |
31 | 225751 |
32 | 242082 |
33 | 258983 |
34 | 276454 |
35 | 294495 |
[0,0,20,330,1224,2726,4807,7458,10679,14470,18831, 23762,29263,35334,41975,49186,56967,65318,74239, 83730,93791,104422,115623,127394,139735,152646, 166127,180178,194799,209990,225751,242082,258983, 276454,294495] |