n | a(n) |
---|---|
0 | 0 |
1 | 15 |
2 | 90 |
3 | 273 |
4 | 612 |
5 | 1155 |
6 | 1950 |
7 | 3045 |
8 | 4488 |
9 | 6327 |
10 | 8610 |
11 | 11385 |
12 | 14700 |
13 | 18603 |
14 | 23142 |
15 | 28365 |
16 | 34320 |
17 | 41055 |
18 | 48618 |
19 | 57057 |
20 | 66420 |
21 | 76755 |
22 | 88110 |
23 | 100533 |
24 | 114072 |
25 | 128775 |
26 | 144690 |
27 | 161865 |
28 | 180348 |
29 | 200187 |
30 | 221430 |
31 | 244125 |
32 | 268320 |
33 | 294063 |
34 | 321402 |
35 | 350385 |
36 | 381060 |
37 | 413475 |
38 | 447678 |
39 | 483717 |
[0,15,90,273,612,1155,1950,3045,4488,6327,8610, 11385,14700,18603,23142,28365,34320,41055,48618, 57057,66420,76755,88110,100533,114072,128775, 144690,161865,180348,200187,221430,244125,268320, 294063,321402,350385,381060,413475,447678,483717] |