Number of reduced words of length n in Coxeter group on 13 generators S_i with relations (S_i)^2 = (S_i S_j)^22 = I.
A168930
Number of reduced words of length n in Coxeter group on 13 generators S_i with relations (S_i)^2 = (S_i S_j)^22 = I.
Terms
- a(0) =1a(1) =13a(2) =156a(3) =1872a(4) =22464a(5) =269568a(6) =3234816a(7) =38817792a(8) =465813504a(9) =5589762048a(10) =67077144576a(11) =804925734912
External references
- oeis: A168930