Sum_{n>=0} a(n) * x^n / (n!)^2 = exp(-x) * BesselI(0,2*sqrt(x))^2.
A336634
Sum_{n>=0} a(n) * x^n / (n!)^2 = exp(-x) * BesselI(0,2*sqrt(x))^2.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =-4a(4) =14a(5) =-18a(6) =-168a(7) =1920a(8) =-11898a(9) =27398a(10) =582896a(11) =-13028904a(12) =183020620a(13) =-2061910004a(14) =17930433744a(15) =-65293856160
External references
- oeis: A336634