A (1, -2) Somos-4 sequence associated to the elliptic curve E: y^2 - 3*x*y - y = x^3 - x.
A178622
A (1, -2) Somos-4 sequence associated to the elliptic curve E: y^2 - 3*x*y - y = x^3 - x.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =1a(5) =-7a(6) =-16a(7) =-57a(8) =-113a(9) =670a(10) =3983a(11) =23647a(12) =140576a(13) =-833503a(14) =-14871471a(15) =-147165662a(16) =-2273917871a(17) =11396432249a(18) =808162720720
External references
- oeis: A178622