116248

Appears in sequences

• Number of right isosceles triangles that can be formed from the n^2 points of n X n grid of points (or geoboard).at n=22A187452
• Number of distinct denominators of rational numbers whose continued fraction consists exclusively of 1s and 2s and has length <=n.at n=18A228805
• a(n) = digsum(2^a(n-1)) with a(0) = 0.at n=36A330822
• Smallest number obtained by concatenating a permutation of the divisors of n.at n=15A390599