Partial sums of Catalan numbers A000108 multiplied by powers of -10.

A113269

Partial sums of Catalan numbers A000108 multiplied by powers of -10.

Terms

    a(0) =1a(1) =-9a(2) =191a(3) =-4809a(4) =135191a(5) =-4064809a(6) =127935191a(7) =-4162064809a(8) =138837935191

External references