2518569

Appears in sequences

• Squares n^2 that become prime after omitting all ones in their decimal expansion.at n=25A175983
• Number of nX6 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.at n=2A221199
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.at n=30A221200
• Number of 3Xn arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, with no occupancy greater than 2.at n=5A221202
• Numbers n such that n^3-1 is a sum of cubes in 1 way and a difference of cubes in 2 ways.at n=31A281789