Number of defective parking functions of length n and defect two.

A291128

Number of defective parking functions of length n and defect two.

Terms

    a(0) =1a(1) =23a(2) =436a(3) =8402a(4) =173860a(5) =3924685a(6) =96920092a(7) =2612981360a(8) =76612170196

External references