Number of reduced words of length n in Coxeter group on 41 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.

A163224

Number of reduced words of length n in Coxeter group on 41 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.

Terms

    a(0) =1a(1) =41a(2) =1640a(3) =65600a(4) =2623180a(5) =104894400a(6) =4194464820a(7) =167726145600

External references