Sum_{n>=0} a(n) * x^n / (n!)^2 = exp(1 + x - BesselI(0,2*sqrt(x))).

A337166

Sum_{n>=0} a(n) * x^n / (n!)^2 = exp(1 + x - BesselI(0,2*sqrt(x))).

Terms

    a(0) =1a(1) =0a(2) =-1a(3) =-1a(4) =17a(5) =99a(6) =-926a(7) =-20385a(8) =25969a(9) =7206059a(10) =90298826a(11) =-3271747557a(12) =-149187119280a(13) =236884125841

External references