Number of reduced words of length n in Coxeter group on 7 generators S_i with relations (S_i)^2 = (S_i S_j)^10 = I.

A165782

Number of reduced words of length n in Coxeter group on 7 generators S_i with relations (S_i)^2 = (S_i S_j)^10 = I.

Terms

    a(0) =1a(1) =7a(2) =42a(3) =252a(4) =1512a(5) =9072a(6) =54432a(7) =326592a(8) =1959552a(9) =11757312a(10) =70543851a(11) =423262980a(12) =2539577145a(13) =15237458460a(14) =91424724300a(15) =548548187040

External references