68821

Properties

Appears in sequences

• Prime(prime(n)) when prime(prime(n)) and n are twin primes.at n=29A087394
• Primes of the form (4*k + 1)^2 + (4*k + 2)^2 where k=0,1,2,3,...at n=14A087871
• Primes p such that q-p = 42, where q is the next prime after p.at n=8A134120
• Binomial transform of [1, 3, 4, 3, 2, 0, 0, 0, ...].at n=30A136395
• Primes of the form 50n^2 + 10n + 1.at n=16A154428
• Twin prime pairs p, p+2 such that p+(p+2)+1 and p*(p+2)+1 are both square.at n=35A166564
• Primes p such that A066272(p)*p+1 is also prime, where A066272 is the number of anti-divisors.at n=12A209271
• Prime numbers p such that p - 2, p^2 - p - 1, p^2 - p + 1 are prime numbers.at n=19A274525
• Prime numbersat n=6841