20393

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 95.at n=14A020434
• Denominators of continued fraction convergents to sqrt(313).at n=10A041591
• McKay-Thompson series of class 29A for Monster.at n=36A058611
• Smallest x such that Floor[A000040(x)/A002808(x)]=n.at n=9A073459
• Prime(144*n).at n=15A102350
• McKay-Thompson series of class 29A for the Monster group with a(0) = 2.at n=36A136570
• The smallest prime p that makes the pair p+/-6n both primes while no other pair of p+/-6k+6*n, 0<k<n both primes.at n=40A139602
• Primes congruent to 38 mod 59.at n=37A142765
• Primes congruent to 19 mod 61.at n=36A142817
• Primes p, with index k, such that p-k and p+k are both prime.at n=29A143794
• Primes of the form 2n^2-9.at n=32A155702
• Primes that are the difference between a fourth power and a positive cube.at n=31A161735
• Number of length n 1..(6+2) arrays with no leading partial sum equal to a prime.at n=5A254537
• T(n,k)=Number of length n 1..(k+2) arrays with no leading partial sum equal to a prime.at n=60A254539
• Number of length 6 1..(n+2) arrays with no leading partial sum equal to a prime.at n=5A254544
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 526", based on the 5-celled von Neumann neighborhood.at n=40A272744
• a(n) = n^2 + 2329*n + 1697.at n=8A301985
• Prime numbers p such that 0 < pi(p;10,(9,1)) = pi(p;10,(3,9)) where pi(x;q,(a,b)) is the number of primes p_n <= x such that p_n == a (mod q) and p_(n+1) == b (mod q).at n=44A326897
• The total number of fixed points among all partitions of n, when parts are written in nondecreasing order.at n=35A357459
• Numbers k such that (in base 10) the k-th composite is a substring of the k-th prime.at n=1A378491