66851

Properties

Appears in sequences

• Primes prime(k) for which A049076(k) = 4.at n=23A049080
• Primes for which A049076 >= 4.at n=34A049090
• Prime(prime(n)) when prime(prime(n)) and n are twin primes.at n=28A087394
• Minimal set of prime-strings in base 10 for primes of the form 4n+3 in the sense of A071062.at n=31A111056
• Primes p such that continued fraction of (1 + sqrt(p))/2 has period 10 : primes in A146335.at n=25A146355
• a(n) = 81*n^2 - 44*n + 6.at n=29A156676
• Primes p such that (p reversed)+10 is a square.at n=13A167474
• Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array.at n=36A219349
• Artiads (A001583) congruent to 1 mod 50 and for which 5 is a quintic residue.at n=11A271210
• Prime numbers with prime indices in A333243.at n=26A333244
• Prime numbersat n=6661