n | a(n) |
---|---|
0 | 1 |
1 | 240 |
2 | 15667200 |
3 | 262787825664000 |
4 | 1128647894950886768640000 |
5 | 1240960300690310266540982796288000000 |
6 | 349299250915794737048265419604885133559070720000000 |
[1,240,15667200,262787825664000, 1128647894950886768640000, 1240960300690310266540982796288000000, 34929925091579473704826541960488513355907072000000\ 0] |