-5459

Appears in sequences

• a(n) = (7 - 4*(-2)^n)/3.at n=12A083594
• A generalized Jacobsthal sequence.at n=13A083944
• a(0)=a(1)=1, a(n) = 2*a(n-1)- A010686(n), n>1.at n=13A173114
• Expansion of (2 + x + x^2 + x^3 - x^4 - 2*x^5 - 4*x^6 - 8*x^7) / (1 - x^4 + 16*x^8) in powers of x.at n=26A247487
• Values z of primitive solutions (x, y, z) to the Diophantine equation x^3 + y^3 + 2*z^3 = 128.at n=46A336230