39227

Properties

Appears in sequences

• Let (p1,p2), (p3,p4) be pairs of twin primes with p1*p2=p3+p4-1; sequence gives values of p1.at n=27A047976
• Primes p such that p, p+2, p+6, p+12 and p+14 are consecutive primes.at n=10A078946
• Lesser of twin balanced primes (A090403).at n=18A096694
• Balanced primes (A090403) of index 3.at n=19A096707
• Partial sums of primes in which no digit is a prime A061372.at n=12A172523
• Primes p such that 2*p^5-+3 are also prime.at n=9A174368
• Primes p such that p + 2, p + 6, and the concatenation p (p+2) (p+6) is prime.at n=11A174858
• Initial primes in prime triples (p, p+2, p+6) preceding the maximal gaps in A201598.at n=12A201599
• Prime numbers p such that x^2 + x + p produces primes for x = 0..3 but not x = 4.at n=26A210362
• The first member of a twin prime pair whose sum equals the sums of k consecutive smaller pairs of twin primes, k=3.at n=27A226692
• Primes p with p + 2, p + 6 and prime(p) + 6 all prime.at n=33A236509
• Primes p such that 10*p-1, 10*p-3, 10*p-7 and 10*p-9 are all prime.at n=16A243408
• Initial members of prime quadruples (n, n+2, n+144, n+146).at n=26A248523
• Primes p such that p+2 is prime with prime(p+2)-prime(p)=6.at n=18A261533
• For a lesser p of twin primes, let B_(p+2) and B_p be sequences defined as A159559, but with initial terms p+2 and p respectively. The sequence lists p for which all differences B_(p+2)(n)-B_p(n)<=6.at n=24A276848
• a(n) is the result of n applications of the function f on n, where f(x) = floor((3*x - 1)/2) (A001651).at n=19A353215
• Primes of the form p+q^2+r where p,q,r are three consecutive members of A007528.at n=3A354510
• Number of free rooted (or pointed) polyiamonds with n cells.at n=11A369365
• Primes p such that the prime triple (p, p+2 or p+4, p+6) generates a prime number when the digits are concatenated.at n=34A375313
• Prime numbersat n=4130