Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.
A163953
Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.
Terms
- a(0) =1a(1) =9a(2) =72a(3) =576a(4) =4608a(5) =36864a(6) =294876a(7) =2358720a(8) =18867492a(9) =150921792a(10) =1207229184a(11) =9656672256a(12) =77244089580a(13) =617878417968
External references
- oeis: A163953