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

A372513

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

Terms

    a(0) =0a(1) =1a(2) =2a(3) =16a(4) =264a(5) =7296a(6) =302720a(7) =17587200a(8) =1362399360a(9) =135693537280

External references