n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 10 |
5 | 78 |
6 | 588 |
7 | 4611 |
8 | 38890 |
9 | 358018 |
10 | 3612004 |
11 | 39858014 |
12 | 478793588 |
13 | 6226277900 |
14 | 87175616760 |
15 | 1307664673155 |
16 | 20922754530330 |
17 | 355687298451210 |
18 | 6402373228089300 |
19 | 121645098641568810 |
20 | 2432902001612519580 |
21 | 51090942147243172980 |
22 | 1124000727686125116360 |
[0,0,1,10,78,588,4611,38890,358018,3612004, 39858014,478793588,6226277900,87175616760, 1307664673155,20922754530330,355687298451210, 6402373228089300,121645098641568810, 2432902001612519580,51090942147243172980, 1124000727686125116360] |