159960

Appears in sequences

• a(n) = 8000*n - 40.at n=19A157660
• a(n) = 400*n^2 - 2*n.at n=19A158316
• a(n) = 1600*n^2 - 40.at n=9A158773
• a(n) = n^4 - 2n.at n=20A246767