166419

Appears in sequences

• Odd numbers divisible by the palindromic sum of their prime factors (counted with multiplicity).at n=31A046359
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2 + (x + 41)^2 = y^2.at n=15A129288
• Positive integers, c, such that there are more than two solutions to the equation a^2 + b^3 = c^4, with a, b > 0.at n=59A242381
• a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = 0, a(1) = -1, a(2) = -1, a(3) = 1.at n=24A295733