278179

Appears in sequences

• Numbers n such that n | 7^n + 6^n + 5^n + 4^n.at n=32A057244
• Largest fixed point in base n for the sum of the fourth power of its digits.at n=27A226064
• a(n) is the smallest nonnegative integer k where exactly n ordered pairs of positive integers (x, y) exist such that x^2 + 3*x*y + y^2 = k.at n=10A374091
• a(n) is the smallest nonnegative integer k where exactly n solutions to x^2 + 3*x*y + y^2 = k with 0 < x < y.at n=5A374095