Number of reduced words of length n in Coxeter group on 12 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.
A162767
Number of reduced words of length n in Coxeter group on 12 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.
Terms
- a(0) =1a(1) =12a(2) =132a(3) =1386a(4) =14520a(5) =151800a(6) =1586970a(7) =16589100a(8) =173411700a(9) =1812724650a(10) =18948963000a(11) =198079233000
External references
- oeis: A162767