2117950381

Appears in sequences

• Semiprimes of the form m^6 - m^5 + m^4 - m^3 + m^2 - m + 1.at n=10A245482
• a(n) = n^12 - n^10 + n^8 - n^6 + n^4 - n^2 + 1.at n=6A270204