Number of reduced words of length n in Coxeter group on 17 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.

A163093

Number of reduced words of length n in Coxeter group on 17 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.

Terms

    a(0) =1a(1) =17a(2) =272a(3) =4352a(4) =69496a(5) =1109760a(6) =17721480a(7) =282988800a(8) =4518961080a(9) =72161899200

External references