Number of reduced words of length n in Coxeter group on 19 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.

A163968

Number of reduced words of length n in Coxeter group on 19 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.

Terms

    a(0) =1a(1) =19a(2) =342a(3) =6156a(4) =110808a(5) =1994544a(6) =35901621a(7) =646226100a(8) =11632014567a(9) =209375268012

External references