Total tail length of all iteration trajectories of all elements of random mappings from [n] to [n].

A262973

Total tail length of all iteration trajectories of all elements of random mappings from [n] to [n].

Terms

    a(0) =0a(1) =2a(2) =36a(3) =624a(4) =11800a(5) =248400a(6) =5817084a(7) =150660608a(8) =4285808496a(9) =133010784000

External references