Partial sums of Catalan numbers A000108 multiplied by powers of -4.

A112711

Partial sums of Catalan numbers A000108 multiplied by powers of -4.

Terms

    a(0) =1a(1) =-3a(2) =29a(3) =-291a(4) =3293a(5) =-39715a(6) =500957a(7) =-6527779a(8) =87188701a(9) =-1187355427a(10) =16424527069a(11) =-230141827875

External references