26717

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 6x + 7.at n=22A023289
• "DIK" (bracelet, indistinct, unlabeled) transform of 1,2,3,4,...at n=13A032287
• Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 17.at n=26A050966
• Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[6, 6,2]; short d-string notation of pattern = [662].at n=21A078857
• Primes p such that the differences between the 5 consecutive primes starting with p are (6,6,2,6).at n=11A078965
• Numbers n such that (26^n - 1)/25 is prime.at n=5A127999
• Primes p such that continued fraction of (1 + sqrt(p))/2 has period 17 : primes in A146340.at n=34A146362
• Smallest prime greater than n*(n+1)^2/2.at n=37A181956
• Primes congruent to 5 (mod 504).at n=20A228093
• Primes p such that p - 2^2, p - 4^2 and p - 6^2 are all positive primes.at n=37A246873
• Number of points of norm <= n in the body-centered cubic lattice with the lattice parameter equal to 2/sqrt(3).at n=17A276648
• a(n) = one-half of the number of cells in the central rectangle of the graph described in row 2n+1 of A333288.at n=27A337640
• Primes p such that 14*p + 1 divides 2^p - 1.at n=21A350702
• Prime numbersat n=2932