74416
domain: N
Appears in sequences
- Expansion of 1/((1-10*x)*(1-12*x)).at n=4A016196
- Becomes prime or 4 after exactly 10 iterations of f(x) = sum of prime factors of x.at n=9A048132
- Number of directed, diagonally convex polyominoes with n cells.at n=11A082398
- Expansion of (1/(1+4x+2x^2))*c(x/(1+4x+2x^2)), c(x) the g.f. of A000108.at n=10A184120
- T(n,k) = Number of n X k arrays containing k copies of 0..n-1 with no element plus any horizontal or antidiagonal neighbor equal to n-1.at n=24A265856
- Number of 4Xn arrays containing n copies of 0..4-1 with no element plus any horizontal or antidiagonal neighbor equal to 4-1.at n=3A265858
- T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element plus any vertical or antidiagonal neighbor equal to n-1.at n=24A266042
- Number of 4Xn arrays containing n copies of 0..4-1 with no element plus any vertical or antidiagonal neighbor equal to 4-1.at n=3A266044
- a(n) is a number of lattice points in 3D Cartesian grid between cube with edge length 2*n centered in origin and its inscribed sphere. Three pairs of the cube's faces are parallel to the planes XOY, XOZ, YOZ respectively.at n=27A303743