Number of reduced words of length n in Coxeter group on 13 generators S_i with relations (S_i)^2 = (S_i S_j)^9 = I.
A165269
Number of reduced words of length n in Coxeter group on 13 generators S_i with relations (S_i)^2 = (S_i S_j)^9 = I.
Terms
- a(0) =1a(1) =13a(2) =156a(3) =1872a(4) =22464a(5) =269568a(6) =3234816a(7) =38817792a(8) =465813504a(9) =5589761970a(10) =67077142704a(11) =804925701294
External references
- oeis: A165269