74254

Appears in sequences

• Squarefree numbers of the form (prime(k)+1)*(prime(k+1)+1)/4.at n=22A079095
• Integers n such that 10^n+91 is a prime number.at n=15A110918
• Number of (6+2) X (n+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 3 5 6 or 7.at n=16A252390