-17047

Appears in sequences

• Somos-5 sequence variant: a(n) = (a(n-1) * a(n-4) - a(n-2) * a(n-3)) / a(n-5), a(0) = 0, a(1) = a(2) = a(3) = a(4) = 1, a(5) = 2.at n=23A210098
• Somos-4 sequence variant: a(n) = (a(n-1)*a(n-3) - a(n-2)^2)/a(n-4), a(0) = 1, a(1) = 1, a(2) = 2, a(3) = -1.at n=11A277279