Sum_{n>=0} a(n) * x^n / (n!)^2 = exp( (BesselI(0,2*sqrt(x)) - BesselJ(0,2*sqrt(x))) / 2 ).
A346220
Sum_{n>=0} a(n) * x^n / (n!)^2 = exp( (BesselI(0,2*sqrt(x)) - BesselJ(0,2*sqrt(x))) / 2 ).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =40a(5) =321a(6) =3356a(7) =45123a(8) =752256a(9) =15018433a(10) =355378732a(11) =9823042923a(12) =311510611072
External references
- oeis: A346220