83286

Appears in sequences

• Numbers n such that n and n-1 are differences between 2 positive cubes in at least one way.at n=35A038595
• Number of regions in an equilateral triangular figure formed by the straight line segments connecting all vertices and all points that divide the sides into n equal parts.at n=14A092867
• Triangle T(n,k)read by rows given by [3,1,3,1,3,1,3,1,3,1,3,1,...] DELTA [1,0,0,0,0,0,0,0,...] where DELTA is the operator defined in A084938.at n=39A133366