Triangle a(n,k) (n >= 0, 0 <= k <= n) of coefficients of Bessel polynomials y_n(x) (exponents in increasing order).
A001498
Triangle a(n,k) (n >= 0, 0 <= k <= n) of coefficients of Bessel polynomials y_n(x) (exponents in increasing order).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =3a(6) =1a(7) =6a(8) =15a(9) =15a(10) =1a(11) =10a(12) =45a(13) =105a(14) =105a(15) =1a(16) =15a(17) =105a(18) =420a(19) =945a(20) =945a(21) =1a(22) =21a(23) =210a(24) =1260a(25) =4725a(26) =10395a(27) =10395a(28) =1a(29) =28
External references
- oeis: A001498