n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 10 |
3 | 100 |
4 | 1120 |
5 | 13600 |
6 | 174352 |
7 | 2322880 |
8 | 31846720 |
9 | 446387200 |
10 | 6367988480 |
11 | 92154502912 |
12 | 1349572428800 |
13 | 19963252142080 |
14 | 297843703347200 |
15 | 4476750466785280 |
16 | 67724540010278912 |
17 | 1030392038941573120 |
18 | 15756269876770734080 |
19 | 242027462112980172800 |
[1,1,10,100,1120,13600,174352,2322880,31846720, 446387200,6367988480,92154502912,1349572428800, 19963252142080,297843703347200,4476750466785280, 67724540010278912,1030392038941573120, 15756269876770734080,242027462112980172800] |