263640

Appears in sequences

• Coordination sequence for net formed by holes in D_4 lattice.at n=28A010079
• X-values of solutions to the equation 3(X-Y)^4 - X*Y = 0 with X >= Y.at n=3A123268
• Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y<=2z.at n=26A212507
• Numbers n for which there exists k < n such that A000203(k) = A000203(n) and A007947(k) = A007947(n), where A000203 gives the sum of divisors, and A007947 gives the squarefree kernel of n.at n=38A255335
• One-half of the number of lines through at least 2 points of an n X n grid of points.at n=39A331780