n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 48 |
3 | 648 |
4 | 3840 |
5 | 15000 |
6 | 45360 |
7 | 115248 |
8 | 258048 |
9 | 524880 |
10 | 990000 |
11 | 1756920 |
12 | 2965248 |
13 | 4798248 |
14 | 7491120 |
15 | 11340000 |
16 | 16711680 |
17 | 24054048 |
18 | 33907248 |
19 | 46915560 |
20 | 63840000 |
21 | 85571640 |
22 | 113145648 |
23 | 147756048 |
24 | 190771200 |
25 | 243750000 |
26 | 308458800 |
27 | 386889048 |
28 | 481275648 |
[0,0,48,648,3840,15000,45360,115248,258048,524880, 990000,1756920,2965248,4798248,7491120,11340000, 16711680,24054048,33907248,46915560,63840000, 85571640,113145648,147756048,190771200,243750000, 308458800,386889048,481275648] |