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

A336610

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

Terms

    a(0) =1a(1) =-1a(2) =0a(3) =9a(4) =-4a(5) =-625a(6) =-906a(7) =145187a(8) =1350040a(9) =-71822385a(10) =-2093778910a(11) =49843036199

External references