Number of reduced words of length n in Coxeter group on 28 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

A163548

Number of reduced words of length n in Coxeter group on 28 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

Terms

    a(0) =1a(1) =28a(2) =756a(3) =20412a(4) =551124a(5) =14879970a(6) =401748984a(7) =10846947384a(8) =292860149400

External references