Carlitz-Riordan q-Catalan numbers (recurrence version) for q=-4.

A015099

Carlitz-Riordan q-Catalan numbers (recurrence version) for q=-4.

Terms

    a(0) =1a(1) =1a(2) =-3a(3) =-55a(4) =3429a(5) =885137a(6) =-904638963

External references