8589672448

Appears in sequences

• a(n) = 2*a(n-1) + 2*a(n-2) - 4*a(n-3), a(1) = 0, a(2) = 0, a(3) = 8.at n=31A297619
• a(n) = n * 2^(n - 2) * (2^(n - 1) - 1).at n=16A308700