92333

Properties

Appears in sequences

• a(n) gives least prime for which the n-th prime is the least prime which is not a primitive root of a(n) (see A060084), or 0 if the n-th prime never occurs in A060084.at n=12A060085
• Primes p such that the largest prime divisor of p^4+1 is less than p.at n=19A102326
• Numbers k such that k and k^2 use only the digits 2, 3, 5, 8 and 9.at n=11A137086
• Larger of two consecutive prime numbers such that p0+p1=average of twin prime pairs and p0*p1+7=average of twin prime pairs.at n=8A153375
• Smaller of 3 consecutive prime numbers such that p1*p2*p3+d1+d2-1=average of twin prime pairs, d1(delta)=p2-p1,d2(delta)=p3-p2.at n=22A153402
• Increasing sequence of primes p such that all of 2,3,5,...,prime(n) are primitive roots mod p.at n=11A213052
• Primes that remain prime when a single digit 3 is inserted between any two consecutive digits or as the leading or trailing digit.at n=36A215419
• Expansion of 1/(1 - x^3 - x^4 - x^5 + x^8).at n=51A225482
• Primes having primitive roots 2, 3, 5, 7, 11, 13, and 17.at n=35A241048
• Number of tilings of a 2 X n rectangle using pentominoes of any shape and monominoes.at n=12A278874
• Primes p such that 2, 3, 5, 7, ..., 37 are all quadratic nonresidues modulo p.at n=2A306501
• Primes in A240860 (up to sign).at n=14A339957
• Prime numbersat n=8916