196575

Appears in sequences

• Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)^2 = (S_i S_j)^15 = I.at n=17A167648
• First occurrence of n in A220115.at n=13A220117
• a(n) = (3*(2*n - 1)^2*((2*n - 1)^2 + 2) + 2*n + 1)/2 for n > 0.at n=9A352757