106310

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 1, 3, 6 and 8.at n=21A136849
• Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.at n=4A283343
• Number of nX5 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.at n=3A283344
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.at n=31A283347
• T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element.at n=32A283347
• a(n) = Sum_{k=1..n} sigma(n*k).at n=41A372710