Expansion of Sum_{n>=0} x^n / Product_{k=1..2*n} (1 - k*x).
A229286
Expansion of Sum_{n>=0} x^n / Product_{k=1..2*n} (1 - k*x).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =18a(4) =102a(5) =684a(6) =5216a(7) =44388a(8) =415672a(9) =4234904a(10) =46525992a(11) =547327904a(12) =6854491840a(13) =90940138256
External references
- oeis: A229286