Number of reduced words of length n in Coxeter group on 28 generators S_i with relations (S_i)^2 = (S_i S_j)^12 = I.
A166615
Number of reduced words of length n in Coxeter group on 28 generators S_i with relations (S_i)^2 = (S_i S_j)^12 = I.
Terms
- a(0) =1a(1) =28a(2) =756a(3) =20412a(4) =551124a(5) =14880348a(6) =401769396a(7) =10847773692a(8) =292889889684
External references
- oeis: A166615