Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^7 = I.
A164626
Number of reduced words of length n in Coxeter group on 15 generators S_i with relations (S_i)^2 = (S_i S_j)^7 = I.
Terms
- a(0) =1a(1) =15a(2) =210a(3) =2940a(4) =41160a(5) =576240a(6) =8067360a(7) =112942935a(8) =1581199620a(9) =22136774205a(10) =309914552220
External references
- oeis: A164626