22639

Properties

Appears in sequences

• Number of n-node rooted identity trees of height 5.at n=17A038089
• Primes of the form ceiling(n^e).at n=7A074224
• Terms k of A002977 such that both (k-1)/2 and (k-1)/3 are also terms of A002977.at n=10A085249
• Primes in which no digit is coprime to its neighbors.at n=29A088297
• Primes of the form a^5 + b^3 with a,b>0.at n=26A100273
• Primes whose base-3 representation also is the base-2 representation of a prime.at n=38A235265
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 537", based on the 5-celled von Neumann neighborhood.at n=28A272792
• Primes p such that (p+2)/3 and (p+3)/2 are prime.at n=42A338410
• Primes p such that (q*s-p*r)/2 and |p*s-q*r|/2 are both prime, where p,q,r,s are consecutive primes.at n=26A341802
• Primes p such that the polynomial x^7 - 7*x + 3 (mod p) is the product of seven linear factors.at n=13A358147
• Primes p such that the sum of cubes of the 4 consecutive primes starting with p is twice a prime.at n=24A368637
• Prime numbersat n=2529