Number of length-n restricted growth strings (RGS) with growth <= nine and first element in [9].

A306033

Number of length-n restricted growth strings (RGS) with growth <= nine and first element in [9].

Terms

    a(0) =1a(1) =9a(2) =126a(3) =2229a(4) =46791a(5) =1126032a(6) =30377223a(7) =904211997a(8) =29347973748

External references