23433

Appears in sequences

• Number of ordered 5-tuples of integers from [ 2,n ] with no common factors among triples.at n=22A015657
• Number of (n+2) X (3+2) 0..3 arrays with every 3 X 3 subblock row and column sum not equal to 0 3 5 6 or 7 and every 3 X 3 diagonal and antidiagonal sum equal to 0 3 5 6 or 7.at n=21A252249
• Numbers k such that 6^k + 17 is prime.at n=20A309527
• Products p*q*r of three distinct primes such that (p*q) mod r, (p*r) mod q and (q*r) mod p are all prime.at n=25A338704