a(0) = 2, a(n) = (2^(2^n)+2)*a(n-1) for n>0.A092124a(0) = 2, a(n) = (2^(2^n)+2)*a(n-1) for n>0.Terms a(0) =2a(1) =12a(2) =216a(3) =55728a(4) =3652301664External referencesoeis: A092124