n | a(n) |
---|---|
-1 | 1 |
0 | 24 |
1 | 324 |
2 | 3200 |
3 | 25650 |
4 | 176256 |
5 | 1073720 |
6 | 5930496 |
7 | 30178575 |
8 | 143184000 |
9 | 639249300 |
10 | 2705114880 |
11 | 10914317934 |
12 | 42189811200 |
13 | 156883829400 |
14 | 563116739584 |
15 | 1956790259235 |
16 | 6599620022400 |
17 | 21651325216200 |
18 | 69228721526400 |
19 | 216108718571250 |
20 | 659641645039360 |
21 | 1971466420726656 |
[1,24,324,3200,25650,176256,1073720,5930496, 30178575,143184000,639249300,2705114880, 10914317934,42189811200,156883829400,563116739584, 1956790259235,6599620022400,21651325216200, 69228721526400,216108718571250,659641645039360, 1971466420726656] |