25087

Properties

Appears in sequences

• Least prime in A031928 (lesser of 10-twins) whose distance to the next 10-twin is 6*n.at n=9A052354
• Non-adding primes: next term is smallest prime not the sum of any primes so far.at n=19A060341
• Primes of the form 2^r*7^s - 1.at n=13A077314
• Shallow diagonal of triangular spiral in A051682.at n=37A081275
• Primes of the form 8*k^2 - 1.at n=25A090684
• Numbers k such that N*2^k + 1 is prime where N = 9999999999999999999999988888888888888888887777777777777777766666666666665555555555544444443333322211.at n=22A098467
• A sequence of asymptotic density zeta(10) - 1, where zeta is the Riemann zeta function.at n=24A143036
• a(n) = 784*n - 1.at n=31A158399
• a(n) = 32*n^2 - 1.at n=27A158563
• a(n) = prime(2^(n+1)) - 2*prime(2^n).at n=14A197072
• Number of n X n 0..2 arrays with every 1 immediately preceded by 0 to the left or above, and every 2 immediately preceded by both a 1 and a 0.at n=3A203364
• Number of nX4 0..2 arrays with every 1 immediately preceded by 0 to the left or above, and every 2 immediately preceded by both a 1 and a 0.at n=3A203367
• T(n,k)=Number of nXk 0..2 arrays with every 1 immediately preceded by 0 to the left or above, and every 2 immediately preceded by both a 1 and a 0.at n=24A203371
• Odd primes p for which there are exactly as many primes in the range [prevprime(p)^2, prevprime(p)*p] as there are in the range [prevprime(p)*p, p^2], where prevprime(p) gives the previous prime before prime p.at n=31A256473
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 361", based on the 5-celled von Neumann neighborhood.at n=17A281413
• a(n) = n^2 + 2329*n + 1697.at n=10A301985
• Bases in which 7 is a unique-period prime.at n=44A306075
• Primes p such that A007088(p) == 1 (mod p).at n=3A339566
• Numbers k such that A007088(k) == 1 (mod k).at n=14A339567
• Prime numbersat n=2769