25083

Appears in sequences

• Numbers n such that 6*p(n)-1 and 6*p(n)+1 are twin primes and 6*p(n+1)-1 and 6*p(n+1)+1 are also twin primes with p(n) = n-th prime.at n=30A126655
• Meandric numbers for a river crossing up to 4 parallel roads at n points.at n=12A208062
• a(n) = Sum_{i=0..n} digsum_9(i)^4, where digsum_9(i) = A053830(i).at n=21A231687
• Number of terms in the fully expanded n-th derivative of x^(x^x).at n=33A281434
• Numbers k which are the product of a cube greater than 1 and a prime, and where k-1 and k-2 are semiprimes.at n=37A350284
• Expansion of 1/( (1-x^3) * (1-x^3-9*x)^2 )^(1/3).at n=5A383611