Number of reduced words of length n in Coxeter group on 45 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

A163749

Number of reduced words of length n in Coxeter group on 45 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

Terms

    a(0) =1a(1) =45a(2) =1980a(3) =87120a(4) =3833280a(5) =168663330a(6) =7421142960a(7) =326528374590

External references