402628608

Appears in sequences

• a(n) = 3*2^(n-1)*(2^n-1).at n=13A103897
• a(n) = 2*a(n-1) + 2*a(n-2) - 4*a(n-3) with n>2, a(0)=0, a(1)=1, a(2)=3.at n=28A135094