Denominators of the coefficients of the polynomials 1/Sum_{n>=1} x^(n-1)/((2*n)!/n!) = 2*exp(-x/4)*sqrt(x)/ (sqrt(Pi)*erf(sqrt(x)/2)).
A154242
Denominators of the coefficients of the polynomials 1/Sum_{n>=1} x^(n-1)/((2*n)!/n!) = 2*exp(-x/4)*sqrt(x)/ (sqrt(Pi)*erf(sqrt(x)/2)).
Terms
- a(0) =1a(1) =3a(2) =45a(3) =1890a(4) =56700a(5) =748440a(6) =10216206000a(7) =8756748000
External references
- oeis: A154242