A (1,-1) Somos-4 sequence associated to the elliptic curve E : y^2 + x*y - y = x^3 + 3*x^2 - x.

A178625

A (1,-1) Somos-4 sequence associated to the elliptic curve E : y^2 + x*y - y = x^3 + 3*x^2 - x.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =-4a(4) =-5a(5) =-21a(6) =59a(7) =184a(8) =1469a(9) =-2515a(10) =-44419a(11) =-389004a(12) =-677129a(13) =48209431a(14) =432521335a(15) =6727493744a(16) =-202699840391

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