475664

Appears in sequences

• a(n) = 2 * A285917(n) for n >=2, a(0) = a(1) = 0.at n=18A120672
• a(n) = (2^p-1)*(2^(p-1))*((2^p-1)^2-2), where p is the n-th prime.at n=2A331858