Number of reduced words of length n in Coxeter group on 39 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.

A162871

Number of reduced words of length n in Coxeter group on 39 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.

Terms

    a(0) =1a(1) =39a(2) =1482a(3) =55575a(4) =2083692a(5) =78111033a(6) =2928135600a(7) =109766289945

External references