130665

Appears in sequences

• Counts of Kekulean pericondensed planar benzenoid hydrocarbons (see reference for precise definition).at n=8A141786
• Triangle T(n,k), n >= 0, 0 <= k <= n, read by rows, where T(n,k) = (n-k)*T(n-1,k-1) + 2*(k+1)*T(n-1,k) + A102365(n,k) with T(n,k) = 0 if k < 0 or k > n.at n=41A382629