169792domain: NAppears in sequencesa(n) = ((8^n) - (-6)^n)/14.at n=7A053455a(n) = 2*a(n-1) + 48*a(n-2), a(0)=0, a(1)=1.at n=7A080921Expansion of Product_{k>=1} (1 + 2^(k+1)*x^k) * (1 + 2^(k-1)*x^k).at n=10A370761