Number of endofunctions of [n] such that 1 is not a fixed point.

A066274

Number of endofunctions of [n] such that 1 is not a fixed point.

Terms

    a(0) =0a(1) =2a(2) =18a(3) =192a(4) =2500a(5) =38880a(6) =705894a(7) =14680064a(8) =344373768a(9) =9000000000a(10) =259374246010

External references