33583104

Appears in sequences

• Wiener indexes of the complete binary trees with n levels, root being at level 0.at n=9A158681
• a(n) = 2^(n-1)*(2^n+7).at n=13A257272
• Number of permutations of [n] having two cycles of the form (c1, c2, ..., c_m) where c1 = min_{i>=1} c_i and c_j = min_{i>=j} c_i or c_j = max_{i>=j} c_i.at n=13A346317