Denominators of partial alternating sums of Catalan numbers scaled by powers of 1/(5*3^2) = 1/45.
A121009
Denominators of partial alternating sums of Catalan numbers scaled by powers of 1/(5*3^2) = 1/45.
Terms
- a(0) =1a(1) =45a(2) =2025a(3) =18225a(4) =4100625a(5) =61509375a(6) =2767921875a(7) =124556484375a(8) =672605015625
External references
- oeis: A121009