A (-1,1) Somos-4 sequence associated to the elliptic curve y^2 + x*y + y = x^3 + x^2 + x.
A178417
A (-1,1) Somos-4 sequence associated to the elliptic curve y^2 + x*y + y = x^3 + x^2 + x.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =-3a(5) =19a(6) =-67a(7) =40a(8) =-1243a(9) =-4299a(10) =-25627a(11) =-334324a(12) =627929a(13) =-29742841a(14) =372632409a(15) =-1946165680a(16) =128948361769
External references
- oeis: A178417