48793

Appears in sequences

• Numbers n not of the form i^2+(i+1)^2 such that there are integers a < b with a^2+(a+1)^2+...+(n-1)^2 = n^2+(n+1)^2+...+b^2.at n=26A094523
• Number of (w,x,y,z) with all terms in {1,...,n} and w^2>x^2+y^2+z^2.at n=25A212094
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 401", based on the 5-celled von Neumann neighborhood.at n=41A271805