25673

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 69.at n=25A020408
• a(n) = ceiling((n + 1/2)^3).at n=28A034131
• Smallest prime p such that Product_{primes q <= p} q+1 >= n*Product_{primes q <= p} q.at n=10A072997
• Primes of the form p^2 + q^10 where p and q are primes.at n=11A122716
• A123228/2.at n=5A123259
• Balanced primes p of the form (r+q+s-1)/2, where r, q, s are consecutive primes.at n=7A129191
• Row sums of triangle A137639.at n=36A137640
• Expansion of 1/(1 - 4*x + 7*x^2).at n=10A168175
• First primes of arithmetic progressions of 5 primes each with the common difference 30.at n=38A227281
• Partial sums of the second power of arithmetic derivative function A003415.at n=42A231864
• Primes p of the form penta(n)-3, where penta(n) is the n-th pentagonal number.at n=31A232537
• Primes which are the arithmetic mean of the squares of six consecutive primes.at n=1A234432
• Sophie Germain primes p such that p+6 and p-6 are primes.at n=24A278869
• Primes p = x^2 + y^2 such that x - y is a cube greater than one.at n=34A282405
• G.f.: Product_{m>0} 1/(1 + x^m + 2!*x^(2*m)).at n=29A293287
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) + 1, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=17A295953
• Number of primes between pairs of consecutive highly composite numbers (A002182).at n=38A333725
• Primes that are the sum of the cubes of four primes, not necessarily distinct.at n=28A353249
• Primes p such that p+6, p-6, 2*p+3 and 2*p-3 are prime.at n=27A356079
• Prime numbersat n=2828