47527

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(970).at n=7A042876
• Primes of the form k^2 + 3.at n=30A049423
• Primes of the form 6*k^2 + 1.at n=24A090687
• Primes from merging of 5 successive digits in decimal expansion of (Pi^2).at n=31A104928
• Duplicate of A049423.at n=30A121825
• Primes p such that p+-2 and p+-3 are not squarefree.at n=21A153214
• Primes p such that none of p-2, p-1, p+1, and p+2 is squarefree.at n=22A153215
• Primes p such that p+-1, p+-2 and p+-3 are not squarefree.at n=0A166003
• Primes which are the average of the two adjacent primes and also of the two adjacent squarefree numbers.at n=34A245589
• Least prime that is at distance > n from the nearest squarefree number.at n=3A268270
• Squarefree numbers differing by more than 3 from any other squarefree number.at n=2A268332
• Array read by antidiagonals: T(m,n) is the number of minimal total dominating sets in the m X n king graph.at n=58A332390
• Array read by antidiagonals: T(m,n) is the number of minimal total dominating sets in the m X n king graph.at n=62A332390
• Number of minimal total dominating sets in the 4 X n king graph.at n=8A332394
• a(n) = n * Sum_{d|n} sigma_d(d) / d, where sigma_k(n) is the sum of the k-th powers of the divisors of n.at n=5A344787
• Prime numbersat n=4900