Number of reduced words of length n in Coxeter group on 19 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
A163110
Number of reduced words of length n in Coxeter group on 19 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
Terms
- a(0) =1a(1) =19a(2) =342a(3) =6156a(4) =110637a(5) =1988388a(6) =35735751a(7) =642249324a(8) =11542621410a(9) =207446086881
External references
- oeis: A163110