228139

Properties

Appears in sequences

• Primes p=prime(i) of level (1,5), i.e., such that A118534(i) = prime(i-5).at n=24A118464
• Number of quadruples [i,j,k,l] with all entries between 1 and n such that gcd(i,j) = gcd(k,l).at n=26A124162
• Prime numbersat n=20271