49831

Properties

Appears in sequences

• Primes with 12 as smallest positive primitive root.at n=16A061325
• Non-palindromic primes which on subtracting their reversal gives perfect cubes.at n=27A080178
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 0, -1), (1, -1, 1), (1, 1, 0)}.at n=9A149369
• Primes of the form floor( (k*(sqrt(3)*k-1))/sqrt(2) ).at n=26A180449
• Primes p whose smallest positive primitive root (mod p) is not squarefree.at n=16A205581
• Primitive prime factors of the cyclotomic polynomial sequence Phi(5,k) in the order in which they occur.at n=34A256153
• a(n) = Sum_{k=1..n} k^2*tau(k), where tau is A000005.at n=31A319085
• Numbers p such that p, 2p-1, 3p-2, 4p-3 are primes.at n=17A336059
• Prime numbersat n=5118