n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 25 |
5 | 60 |
6 | 126 |
7 | 238 |
8 | 414 |
9 | 675 |
10 | 1045 |
11 | 1551 |
12 | 2223 |
13 | 3094 |
14 | 4200 |
15 | 5580 |
16 | 7276 |
17 | 9333 |
18 | 11799 |
19 | 14725 |
20 | 18165 |
21 | 22176 |
22 | 26818 |
23 | 32154 |
24 | 38250 |
25 | 45175 |
26 | 53001 |
27 | 61803 |
28 | 71659 |
29 | 82650 |
30 | 94860 |
31 | 108376 |
32 | 123288 |
33 | 139689 |
34 | 157675 |
35 | 177345 |
36 | 198801 |
37 | 222148 |
38 | 247494 |
[0,1,3,9,25,60,126,238,414,675,1045,1551,2223, 3094,4200,5580,7276,9333,11799,14725,18165,22176, 26818,32154,38250,45175,53001,61803,71659,82650, 94860,108376,123288,139689,157675,177345,198801, 222148,247494] |