n | a(n) |
---|---|
1 | 48 |
2 | 648 |
3 | 15000 |
4 | 115248 |
5 | 1756920 |
6 | 4798248 |
7 | 24054048 |
8 | 46915560 |
9 | 147756048 |
10 | 594116040 |
11 | 886580160 |
12 | 2563852248 |
13 | 4747278480 |
14 | 6317944248 |
15 | 10774335648 |
16 | 22156470648 |
17 | 42168416280 |
18 | 51506528520 |
19 | 90438231048 |
20 | 128074872240 |
[48,648,15000,115248,1756920,4798248,24054048, 46915560,147756048,594116040,886580160,2563852248, 4747278480,6317944248,10774335648,22156470648, 42168416280,51506528520,90438231048,128074872240] |