72962

Appears in sequences

• Half the number of nX5 binary arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors.at n=5A183401
• T(n,k)=Half the number of nXk binary arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors.at n=49A183402
• T(n,k)=Half the number of nXk binary arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors.at n=50A183402
• Numbers such that the sum of the cube of the odd divisors is prime.at n=25A195332
• Number of pairs in generation n of the tree T defined in Comments.at n=29A252864
• Composite numbers k such that Sum_{i=1..t-1} d(i+1)/d(i) is prime, where d(1), ..., d(t) are the divisors of k in ascending order.at n=37A255585
• Number of nX2 0..1 arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order.at n=13A267638
• Where records occur in A070138.at n=42A298942
• Numbers k such that phi(k) == 2 (mod 12), where phi is the Euler totient function (A000010).at n=30A332511