373249

Appears in sequences

• a(n) = 1250*n^2 - 1800*n + 649.at n=18A154358
• p^2 + (p+2)^2 - 1 where (p,p+2) is the n-th twin prime pair.at n=22A184417
• a(n) = 8*6^n+1.at n=6A199411
• Semiprimes of the form k^3 + 1.at n=11A237040
• Löschian numbers (A003136) of the form k^3+1.at n=26A271185