235824

Appears in sequences

• Sum of the square root of n-th square triangular number and n-th Pell (or lambda) number (A000129).at n=7A113449
• Values x of solutions (x, y) to the Diophantine equation (x-y)^4 - 8*x*y = 0 with x >= y.at n=4A123057
• a(n) = ((n-th prime)^5-(n-th prime)^3)/6.at n=6A138435
• Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y>2z.at n=34A212504
• 3 X 3 square grid graph coloring a rectangular array: number of n X 2 0..8 arrays where 0..8 label nodes of the square grid graph and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=5A223373
• 3X3 square grid graph coloring a rectangular array: number of nX6 0..8 arrays where 0..8 label nodes of the square grid graph and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=1A223377
• T(n,k)=3X3 square grid graph coloring a rectangular array: number of nXk 0..8 arrays where 0..8 label nodes of the square grid graph and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=22A223379
• T(n,k)=3X3 square grid graph coloring a rectangular array: number of nXk 0..8 arrays where 0..8 label nodes of the square grid graph and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=26A223379
• T(n,k)=Number of nXk 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, diagonally or antidiagonally.at n=41A232920
• Number of 6Xn 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, diagonally or antidiagonally.at n=3A232925
• a(n) = 6*n^3.at n=34A244726
• a(n) = n*(1 - (-1)^n - 2*(3 + (-1)^n)*n^2 + 2*n^4)/384.at n=34A350689