L.g.f.: A(x) satisfies: A(x+x^2) = 2*A(x) - log(1+x) with A(0)=0; thus A(x) = log(B(x)), where B(x) is g.f. of A122938.
A122940
L.g.f.: A(x) satisfies: A(x+x^2) = 2*A(x) - log(1+x) with A(0)=0; thus A(x) = log(B(x)), where B(x) is g.f. of A122938.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =17a(4) =106a(5) =796a(6) =7176a(7) =75057a(8) =894100a(9) =11946906a(10) =176939192a(11) =2876683340a(12) =50931297912a(13) =975391344376
External references
- oeis: A122940