51794

Appears in sequences

• n*10^5-1, n*10^5-3, n*10^5-7 and n*10^5-9 are all prime.at n=8A064979
• a(n) = L(n) * L(n+1) * L(n+2) / 2, where L(n) = Lucas number (A000032).at n=7A085696
• Numbers n such that prime(k)*n+prime(k+1), for k=1,...,6 all are primes.at n=6A108110
• Fourth right hand column of triangle A165674.at n=21A165676
• Products k of 4 distinct primes (or tetraprimes) such that none of k-2, k-1, k+1 and k+2 is squarefree.at n=35A364766