45966

Appears in sequences

• Quadruples of different integers from [ 1,n ] with no common factors between triples.at n=37A015625
• Number of ways to reciprocally link elements of an n X 5 array either to themselves or to exactly one horizontal or antidiagonal neighbor.at n=3A220559
• T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly one horizontal or antidiagonal neighbor.at n=31A220562
• Number of ways to reciprocally link elements of an 4Xn array either to themselves or to exactly one horizontal or antidiagonal neighbor.at n=4A220565
• Number of polyhedral orientations with n inner vertices.at n=14A377922