n | a(n) |
---|---|
1 | 1 |
2 | 20160 |
3 | 1814811575069725360128000000 |
4 | 5286955507745173504309724555631728366786063173939383008283412265633946009600000000000000 |
[1,20160,1814811575069725360128000000, 52869555077451735043097245556317283667860631739393\ 83008283412265633946009600000000000000] |