43475

Appears in sequences

• Number of (n+2)X(3+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime.at n=2A252035
• T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime.at n=12A252039
• Digits of the Copeland-Erdős constant taken in groups of five digits.at n=22A304652
• Odd numbers k that can be factored to such a pair of coprime factors x and y that A347381(k) < min(A347381(x), A347381(y)).at n=20A347390
• Odd numbers k such that k/(1+A347381(k)) obtains record values, where A347381 gives the distance from n to the nearest common ancestor of n and sigma(n) in the Doudna-tree.at n=26A386423
• Smallest k for which the number of divisors d of k such that tau(d*k) = tau(k/d + d) is equal to n, where tau = A000005.at n=6A392550