Number of reduced words of length n in Coxeter group on 12 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
A163055
Number of reduced words of length n in Coxeter group on 12 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.
Terms
- a(0) =1a(1) =12a(2) =132a(3) =1452a(4) =15906a(5) =174240a(6) =1908720a(7) =20908800a(8) =229042770a(9) =2509019700a(10) =27484733100a(11) =301077971700
External references
- oeis: A163055