Expansion of Sum_{k>=0} binomial(2*k,k)*x^k/Product_{j=1..k} (1 - j*x).
A305406
Expansion of Sum_{k>=0} binomial(2*k,k)*x^k/Product_{j=1..k} (1 - j*x).
Terms
- a(0) =1a(1) =2a(2) =8a(3) =40a(4) =234a(5) =1544a(6) =11242a(7) =89016a(8) =758504a(9) =6900012a(10) =66590782a(11) =678322704a(12) =7262393832a(13) =81431657220a(14) =953339019606
External references
- oeis: A305406