29251

Properties

Appears in sequences

• Denominators of continued fraction convergents to sqrt(310).at n=14A041585
• Primes p such that p, p+18, p+36 are consecutive primes.at n=3A052189
• Primes prime(k) such that prime(k)*k falls between twin primes.at n=21A080174
• Primes p such that primorial(p)/2 + 2 is prime.at n=23A096177
• Primes of the form k^2 + 10.at n=28A138355
• Primes such that applying "reverse and add" twice produces two more primes.at n=22A174402
• Primes of the form 250n + 1.at n=34A179231
• Primes of the form p(i)*p(i+1)+p(i+2)+p(i+3) where p(i) is a prime.at n=16A180947
• Number of 1X7 integer matrices with each row summing to zero, row elements in nondecreasing order, rows in lexicographically nondecreasing order, and the sum of squares of the elements <= 2*n^2 (number of collections of 1 zero-sum 7-vectors with total modulus squared not more than 2*n^2, ignoring vector and component permutations).at n=12A192694
• Primes of the form 9n^2 + 10.at n=9A201708
• Largest prime p(k) > p(n) such that 1/p(n) + 1/p(n+1) + ... + 1/p(k) < 1, where p(n) is the n-th prime.at n=12A225671
• Primes in A138290.at n=2A278740
• a(0) = 1; a(n) is the smallest integer k > a(n-1) such that 2^(k-1) == 1 (mod a(n-1)*k).at n=14A306826
• a(n) = Sum_{k=1..n} (-1)^(k+1) * floor(n/k)^3.at n=31A344721
• Discriminants of imaginary quadratic fields with class number 41 (negated).at n=36A351679
• Prime numbersat n=3180