187361

Properties

Appears in sequences

• Primes p such that p, p+6, p+12, p+18 are consecutive primes and p=6*k+5 for some k.at n=28A090834
• Number of 8-almost primes 8ap such that 2^n < 8ap <= 2^(n+1).at n=23A120039
• a(n) = Sum_{k=0..4} 2^k * binomial(n,k).at n=24A389545
• Prime numbersat n=16950