Number of reduced words of length n in Coxeter group on 6 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

A163317

Number of reduced words of length n in Coxeter group on 6 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.

Terms

    a(0) =1a(1) =6a(2) =30a(3) =150a(4) =750a(5) =3735a(6) =18600a(7) =92640a(8) =461400a(9) =2298000a(10) =11445210a(11) =57003000a(12) =283904040a(13) =1413987000a(14) =7042377000a(15) =35074632060a(16) =174689570400a(17) =870043225440

External references