a(n) is the number of parking functions of order n for which the third spot is lucky.

A372843

a(n) is the number of parking functions of order n for which the third spot is lucky.

Terms

    a(0) =9a(1) =74a(2) =783a(3) =10266a(4) =161221a(5) =2955366a(6) =61999923a(7) =1465709426a(8) =38566299393

External references