Number of endofunctions on [n] such that no element has a preimage of cardinality seven.

A245411

Number of endofunctions on [n] such that no element has a preimage of cardinality seven.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =27a(4) =256a(5) =3125a(6) =46656a(7) =823536a(8) =16776768a(9) =387399753a(10) =9999125200a(11) =285275370611

External references