30259

Properties

Appears in sequences

• Primes arising in A053782.at n=28A053872
• Numbers k such that F(k)*2^k + 1 (A006483) is prime, where F(k) is the k-th Fibonacci number.at n=14A059670
• Numbers k such that the smoothly undulating palindromic number(18*10^k - 81)/99 is a prime.at n=8A062214
• Let a(1)=1; for n>1, a(n)=nextprime( a(n-1)^(n/(n-1)) ).at n=18A084573
• Primes of the form 2*n^2+1.at n=21A090698
• Primes p such that primorial(p)/2 + 2 is prime.at n=24A096177
• Primes of the form p^3 + q^3 + r^3, where p, q and r are primes.at n=37A123597
• Primes occurring in A084704 exactly 4 times.at n=14A128655
• Prime numbers n such that n = p1^3 + p2^3 + p3^3, a sum of cubes of 3 distinct prime numbers.at n=15A137365
• Subsequence of A137365 where it is possible to choose p1, p2, p3 so that p1+p2+p3 = prime.at n=15A137366
• a(n) = 18*n^2 + 1.at n=40A157889
• Primes in A161190.at n=25A161191
• Consecutive pairs of prime point sums in A161191 (includes triples).at n=12A161192
• Prime numbers of the form n*b^n + 1, where b, n >= 2.at n=26A178541
• Smallest emirp corresponding to A178585.at n=27A178586
• Primes of the form 10n^2 + 9.at n=10A201711
• Primes which become squares when the digits are rotated once to the right.at n=19A234925
• Eighth prime p such that (p+n)^2+n is prime but (p+j)^2+j is not prime for all 0<j<n.at n=22A238680
• Square spiral in which each new term is the sum of its two largest neighbors.at n=54A278180
• Primes that can be constructed by concatenating two squares >= 4.at n=27A345314