24709

Properties

Appears in sequences

• Number of set-like atomic species of degree n.at n=44A007650
• Fibonacci sequence beginning 4, 13.at n=17A022132
• Primes p = p_(n+1) such that p_n + p_(n+2) = 2*p_(n+1) + 12.at n=26A095673
• Prime(144*n).at n=18A102350
• Primes from merging of 5 successive digits in decimal expansion of e.at n=3A104846
• Primes from merging of 5 successive digits in decimal expansion of the Euler-Mascheroni Constant.at n=18A104939
• Primes congruent to 35 mod 73.at n=35A154628
• a(n) is the smallest prime p beginning with 2n such that the difference between p and the next prime is 2n.at n=11A162357
• Greater prime factor of successively better golden semiprimes.at n=13A165572
• a(n) = Sum_{k=0..[n/2]} C(n-k,k)^3*n/(n-k), n>=1.at n=8A166897
• Primes from merging of 5 successive digits in decimal expansion of Euler-Mascheroni constant.at n=19A198779
• Smallest prime q such that 2*prime(n)*q^prime(n)+1 is also prime.at n=42A225403
• Least prime divisor of B(n) which does not divide any B(k) with k < n, or 1 if such a primitive prime divisor of B(n) does not exist, where B(n) is the n-th Bell number given by A000110.at n=20A242171
• Numerators of upper primes-only best approximates (POBAs) to the golden ratio, phi (A001622); see Comments.at n=15A265798
• Numerators of primes-only best approximates (POBAs) to the golden ratio, phi; see Comments.at n=14A265800
• Denominators of primes-only best approximates (POBAs) to 1/(golden ratio) = 1/phi; see Comments.at n=13A265807
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = -5.at n=23A341083
• Value of prime number D for incrementally largest values of minimal y satisfying the equation x^2 - D*y^2 = -5.at n=22A341085
• T(n,k) is the k-th integer j > 1 such that the sum of digits of n^j is a power of n (or -1 if no such k-th integer exists); table read by downward antidiagonals.at n=49A358667
• Numbers k such that the digit sum of 5^k is a power of 5.at n=7A359281