n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 168 |
4 | 4290 |
5 | 136136 |
6 | 4938024 |
7 | 196125600 |
8 | 8318177010 |
9 | 370784099400 |
10 | 17184867259560 |
11 | 821870841735840 |
12 | 40334204896057800 |
13 | 2022686389717666848 |
14 | 103312949950998743200 |
15 | 5360873347802169267840 |
16 | 282015983963437605168210 |
[1,2,10,168,4290,136136,4938024,196125600, 8318177010,370784099400,17184867259560, 821870841735840,40334204896057800, 2022686389717666848,103312949950998743200, 5360873347802169267840,282015983963437605168210] |