Generalized Catalan numbers C(-10; n).

A064332

Generalized Catalan numbers C(-10; n).

Terms

    a(0) =1a(1) =1a(2) =-9a(3) =181a(4) =-4529a(5) =126861a(6) =-3806649a(7) =119653941a(8) =-3889122369a(9) =129646443421

External references