43577

Properties

Appears in sequences

• Number of Barlow packings with group P3(bar)m1(O) that repeat after 2n layers.at n=14A011952
• Primes p such that 2^j+p^j are primes for j=0,1,2,16.at n=0A094493
• Larger of 3 consecutive prime numbers such that p1*p2*p3*d1*d2=average of twin prime pairs; p1,p2,p3 consecutive prime numbers; d1(delta)=p2-p1, d2(delta)=p3-p2.at n=28A153411
• Noncomposite numbers in the southern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American.at n=25A168027
• Least n-gap prime: a(n) = least prime p for which there is no prime between n*p and n*q, where q is the next prime after p.at n=35A195325
• Primes p such that p^4 + p +/- 1 are twin primes.at n=21A236951
• First of three consecutive primes p,q,r such that r^2-p^2+p, r^2-p^2+q and r^2-p^2+r are consecutive primes.at n=42A347531
• Prime numbersat n=4539