71620

Appears in sequences

• Starts of runs of 3 consecutive primorial base Niven numbers (A333426).at n=12A333428
• Number of fixed triangular n-ominoes of the regular tiling with Schläfli symbol {3,6} that have a common axis of symmetry coincident with cell altitudes and the point of the polyomino farthest along that axis in a specified direction is a cell edge center.at n=27A364487