Number of reduced words of length n in Coxeter group on 19 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

A163453

Number of reduced words of length n in Coxeter group on 19 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

Terms

    a(0) =1a(1) =19a(2) =342a(3) =6156a(4) =110808a(5) =1994373a(6) =35895636a(7) =646066215a(8) =11628197676a(9) =209289662676

External references