61751

Properties

Appears in sequences

• Denominators of continued fraction convergents to sqrt(615).at n=9A042181
• Primes of the form 9x^3 + x + 1.at n=5A114354
• Primes of the form (p^2-1)/4-p where p are also primes.at n=37A165557
• Primes p with P(p-1) also prime, where P(.) is the partition function (A000041).at n=26A234569
• Number of necklaces with n beads of unlabeled colors such that the numbers of beads per color are distinct.at n=13A261531
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 605", based on the 5-celled von Neumann neighborhood.at n=38A273177
• Primes p1 such that, with p2, p3, p4 the next three primes, p1*p2+p3*p4+p1, p1*p2+p3*p4+p2, p1*p2+p3*p4+p3 and p1*p2+p3*p4+p4 are all prime.at n=0A340126
• Prime numbersat n=6213