52501

Properties

Appears in sequences

• Denominators of continued fraction convergents to sqrt(881).at n=12A042703
• Primes which can be expressed as concatenation of powers of 5 and 0's.at n=31A066596
• Number of Hamiltonian paths in the graph on n vertices {1,...,n}, with i adjacent to j iff |i-j| <= 2.at n=26A069241
• Primes p such that 12*p^3+-1 are twin primes.at n=29A158297
• Square array A(m,n) = Resultant(X^m+n,(X+1)^m+n), read by (falling) antidiagonals, m >= 1, n >= 0.at n=25A255831
• Artiads (A001583) congruent to 1 mod 50 and having 2 as a quintic residue.at n=12A270799
• Numbers that are the sum of six fifth powers in two or more ways.at n=15A345507
• Numbers that are the sum of six fifth powers in exactly two ways.at n=15A346357
• G.f. A(x) satisfies: A(x) = 1 + x^2 * A(x/(1 - 5*x)) / (1 - 5*x).at n=8A351151
• Primes p that can be written as phi(k) + d(k) for some k, where phi(k) = A000010(k) is Euler's totient function and d(k) = A000005(k) is the number of divisors of k.at n=35A357916
• Prime numbersat n=5360