3191201

Appears in sequences

• Nearest integer to ratio of volume of n-dimensional cube of side 2 to volume of n-dimensional ball of radius 1.at n=18A057649
• a(n) = n^5 - n^3 - 2*n^2 + 1.at n=20A177075
• Semiprimes of the form n^5-n^3-2*n^2+1.at n=8A177087