-2729

Appears in sequences

• A generalized Jacobsthal sequence.at n=13A083943
• a(n) = (5 + (-2)^n)/3.at n=13A140966
• Inverse binomial transform of A084640.at n=13A171501
• Generalized Somos-5 sequence a(n) = (a(n-1)*a(n-4) + a(n-2)*a(n-3))/a(n-5) = -a(-n), a(1) = 1, a(2) = -1, a(3) = a(4) = 1, a(5) = -7.at n=11A360381