21257280

Appears in sequences

• Number of ordered pairs of cycles over all n-permutations having two cycles.at n=11A052517
• Number of reduced words of length n in Coxeter group on 12 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.at n=7A163957
• Number of permutations of [n] with two ordered cycles such that equal-sized cycles are ordered with increasing least elements.at n=9A285853