Number of functions f(x) = b*x+c with nonnegative integer coefficients and a shortest addition-composition chain of length n, starting with 1 and x.
A384482
Number of functions f(x) = b*x+c with nonnegative integer coefficients and a shortest addition-composition chain of length n, starting with 1 and x.
Terms
- a(0) =2a(1) =3a(2) =7a(3) =20a(4) =75a(5) =412a(6) =3200a(7) =34167a(8) =507344
External references
- oeis: A384482