43244638645domain: NAppears in sequencesElliptic divisibility sequence associated with elliptic curve "37a1": y^2 + y = x^3 - x and multiples of the point (0,0).at n=32A006769Divisibility sequence associated with elliptic curve y^2 + y = x^3 - x and point (1, 0).at n=16A051138A Somos-4 variant.at n=14A157101