Coefficients of Bessel polynomials y_n (x).

A001881

Coefficients of Bessel polynomials y_n (x).

Terms

    a(0) =1a(1) =21a(2) =378a(3) =6930a(4) =135135a(5) =2837835a(6) =64324260a(7) =1571349780a(8) =41247931725

External references