468468

Appears in sequences

• a(n) = T(2n,n-1), where T is the array in A026148.at n=8A026160
• a(n) = t(n)*t(n+1)*t(n+2), where t() are the triangular numbers.at n=11A071910
• Kekulé numbers for certain benzenoids.at n=10A108680