Expansion of 1/(1-2x*c(4x)) with c(x) g.f. of Catalan numbers (A000108).
A157328
Expansion of 1/(1-2x*c(4x)) with c(x) g.f. of Catalan numbers (A000108).
Terms
- a(0) =1a(1) =2a(2) =12a(3) =104a(4) =1072a(5) =12192a(6) =147648a(7) =1867392a(8) =24380160a(9) =326105600a(10) =4445965312a(11) =61555599360a(12) =863154221056
External references
- oeis: A157328