175851

Appears in sequences

• Column l=3 of irregular triangle in A133709.at n=18A133710
• Transform of the finite sequence (1, 0, -1, 0, 1) by the T_{0,1} transformation (see link).at n=14A159341
• Monotonic ordering of nonnegative differences 3^i-6^j, for 40>= i>=0, j>=0.at n=42A192151