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

A342182

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

Terms

    a(0) =1a(1) =1a(2) =8a(3) =117a(4) =3184a(5) =134025a(6) =8141436a(7) =672837277a(8) =72634878016

External references