39827

Properties

Appears in sequences

• Denominators of continued fraction convergents to sqrt(166).at n=11A041307
• Smaller term of closest safe prime pairs.at n=19A059323
• Number of ways of placing kings with no more than 4 mutual attacks on an n X n chessboard symmetric about the diagonal and under 90-degree rotation.at n=16A143891
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 251", based on the 5-celled von Neumann neighborhood.at n=38A271018
• Primes p such that p^2 + 1 has more divisors than p^2 - 1.at n=28A358879
• Lesser of twin self primes, i.e., smaller member of the pair of self primes differing by 2.at n=4A380713
• Prime numbersat n=4185