57127

Appears in sequences

• Bisection (even part) of Chebyshev sequence with Diophantine property.at n=4A077409
• Combined Diophantine Chebyshev sequences A077409 and A077250.at n=8A077411
• Numbers k such that k^2 = 24*j^2 + 25.at n=13A106330
• Least k such that there are exactly n ways to choose a sequence of divisors, one of each element of the multiset of prime indices of k (with multiplicity).at n=26A355732