173261

Appears in sequences

• Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,0.at n=7A037522
• a(n) is the smallest number whose odd hailstone sequence has length n (including 1 and itself) and is in descending order.at n=11A330732
• The number of vertices formed on a triangle with leg lengths equal to the Pythagorean triples by the straight line segments mutually connecting all vertices and all points that divide the sides into unit length parts.at n=6A333136