Number of reduced words of length n in Coxeter group on 10 generators S_i with relations (S_i)^2 = (S_i S_j)^9 = I.

A165219

Number of reduced words of length n in Coxeter group on 10 generators S_i with relations (S_i)^2 = (S_i S_j)^9 = I.

Terms

    a(0) =1a(1) =10a(2) =90a(3) =810a(4) =7290a(5) =65610a(6) =590490a(7) =5314410a(8) =47829690a(9) =430467165a(10) =3874204080a(11) =34867833120a(12) =313810465680

External references