Number of reduced words of length n in Coxeter group on 8 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

A163347

Number of reduced words of length n in Coxeter group on 8 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

Terms

    a(0) =1a(1) =8a(2) =56a(3) =392a(4) =2744a(5) =19180a(6) =134064a(7) =937104a(8) =6550320a(9) =45786384a(10) =320044452a(11) =2237094216a(12) =15637173048a(13) =109303031880a(14) =764022547512

External references