Expansion of e.g.f. x*(1 - sqrt(1 - 4*x))/2.
A052717
Expansion of e.g.f. x*(1 - sqrt(1 - 4*x))/2.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =6a(4) =48a(5) =600a(6) =10080a(7) =211680a(8) =5322240a(9) =155675520a(10) =5189184000a(11) =194075481600
External references
- oeis: A052717