136971

Appears in sequences

• Numbers k such that 33*2^k - 1 is prime.at n=48A002240
• Binomial transform of A100060.at n=18A106399
• 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 vertex.at n=26A364486