Number of reduced words of length n in Coxeter group on 38 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.

A163221

Number of reduced words of length n in Coxeter group on 38 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.

Terms

    a(0) =1a(1) =38a(2) =1406a(3) =52022a(4) =1924111a(5) =71166096a(6) =2632183848a(7) =97355219328

External references