E.g.f. A(x) satisfies: A'(x) = (1 - sqrt(1-4*A(x))) / (2*A(x)).
A180254
E.g.f. A(x) satisfies: A'(x) = (1 - sqrt(1-4*A(x))) / (2*A(x)).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =47a(4) =655a(5) =12145a(6) =281645a(7) =7848575a(8) =255581095a(9) =9527142625a(10) =400145871125
External references
- oeis: A180254