268192

Appears in sequences

• The Wiener index of the tetrameric 1,3-adamantane TA(n) (see the Fath-Tabar et al. reference).at n=16A216106
• a(n) = (n^2 - n + 2) * (5*n^2 - 5*n + 2) / 4.at n=21A380353
• a(n) = 7*n^3 - 6*n^2.at n=33A382251