n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 3 |
4 | 21 |
5 | 78 |
6 | 216 |
7 | 498 |
8 | 1014 |
9 | 1884 |
10 | 3264 |
11 | 5349 |
12 | 8379 |
13 | 12642 |
14 | 18480 |
15 | 26292 |
16 | 36540 |
17 | 49752 |
18 | 66528 |
19 | 87543 |
20 | 113553 |
21 | 145398 |
22 | 184008 |
23 | 230406 |
24 | 285714 |
25 | 351156 |
26 | 428064 |
27 | 517881 |
28 | 622167 |
29 | 742602 |
30 | 880992 |
31 | 1039272 |
32 | 1219512 |
33 | 1423920 |
34 | 1654848 |
35 | 1914795 |
36 | 2206413 |
37 | 2532510 |
38 | 2896056 |
[0,0,3,21,78,216,498,1014,1884,3264,5349,8379, 12642,18480,26292,36540,49752,66528,87543,113553, 145398,184008,230406,285714,351156,428064,517881, 622167,742602,880992,1039272,1219512,1423920, 1654848,1914795,2206413,2532510,2896056] |