18539

Properties

Appears in sequences

• Numbers k such that 95*2^k+1 is prime.at n=29A032397
• Antidiagonal sums of table A084287, in which the k-th row is the product of the k-th prime with the antidiagonals of the first k rows of the table.at n=14A084288
• Primes of the form k^4 - (k+1)^3.at n=6A087191
• Smallest member of a pair of consecutive twin prime pairs that have exactly n primes between them.at n=26A089637
• Primes prime(k) such that (prime(k-1) + prime(k+1) + prime(k+2))/prime(k) = 3.at n=33A094933
• Primes A005382(n) + A005384(n) - 1 with a twin prime A005382(n) + A005384(n) + 1.at n=25A099109
• Smallest odd prime p such that n = (p - 1) / ord_p(2).at n=22A101208
• Primes p such that p + 2 and p*(p + 2) + 2 are primes.at n=35A108013
• Lesser of twin primes for which the gap before the following twin primes is a record.at n=11A113275
• Lesser of twin primes isolated from neighboring primes by +- 10 (or more).at n=37A138063
• Primes congruent to 42 mod 53.at n=38A142572
• Primes congruent to 13 mod 59.at n=38A142740
• Primes congruent to 56 mod 61.at n=36A142854
• Primes that are the difference between a fourth power and a positive cube.at n=28A161735
• List of primes p1 such that (p1,p2) are twin primes where both 2*p1+p2 and p1+2*p2 are primes.at n=10A174920
• a(n) = n^4 - (n+1)^3.at n=12A178617
• Duplicate of A089637.at n=26A181981
• Number of third differences of arrays of length 5 of numbers in 0..n.at n=22A228261
• Primes p with p + 2 and prime(p) + 2 both prime.at n=39A236458
• Primes p such that p1 = ceiling(p/2) + p is prime and p2 = floor(p1/2) + p is prime.at n=38A242366