354620

Appears in sequences

• a(n) = n*(n + 1)*(n^2 + n + 2)/4.at n=34A001621
• Coordination sequence for A_34 lattice.at n=2A035860
• For m to be a term there must exist three Euclidean divisions of m by d, d', and d", m = d*q + r = d'*q' + r' = d"*q" + r", such that (r, q, d), (r', d', q'), and (q", r", d") are three geometric progressions.at n=12A335272