18637

Properties

Appears in sequences

• Primes of the form k^2 + k + 5.at n=36A027755
• a(n) = A047980(2n).at n=34A047981
• Primes p such that number of primes produced according to rules stipulated in Honaker's A048853 is 2.at n=5A050664
• Primes such that prime(p) +- pi(p) are simultaneously prime.at n=31A065117
• First prime after phi(prime(n)^2).at n=32A079477
• Primes p such that p-3 and p+3 are divisible by a cube.at n=18A089201
• Primes p such that q-p = 24, where q is the next prime after p.at n=31A098974
• Odd terms of A059756.at n=17A111042
• Prime numbers, isolated from neighboring primes by >14.at n=31A137874
• Prime numbers, isolated from neighboring primes by >16.at n=17A137875
• Primes congruent to 32 mod 61.at n=32A142830
• Numbers n with property that n^2 is a concatenation of three 3-digit primes.at n=27A153139
• Primes p such that p^3 - 24 and p^3 + 24 are also primes.at n=32A153323
• Prime numbers with gaps larger than 18 towards both neighboring primes.at n=8A163111
• Primes p such that p*(p-1)/2-5 and p*(p-1)/2+5 are also prime numbers.at n=36A164623
• 50k^2-20k-23 interleaved with 50k^2+30k+17 for k=>0.at n=39A217894
• Minimum value unattainable as the sum of 4 attained values of a*b*c with a,b,c 0..n integers.at n=17A225266
• First appearance of n in A016014, or 0 if n never occurs.at n=34A239800
• Number of partitions p of n such that (number of numbers in p that have multiplicity 1) = (number of numbers in p having multiplicity > 1).at n=46A241274
• Primes prime(k) such that 2^k + prime(k) is also prime.at n=18A242944