A001086 - OEIS

%I #14 Nov 05 2025 15:35:23

%S 0,3,4,1,1,5,2,168,46793,1,7,1,51,1,7,1,6,2,1,1,1,10,1,2,10,1,2,11,16,

%T 3,1,1,1,1,4,1,1,3,1,1,5,5,25,1,34,10,2,18,10,585,1,2,3,1,1,440,1,1,7,

%U 2,1,4,6,16,5,2,3,2,5,1,1,77,1

%N Continued fraction associated with y(y+1) = x(x^2 -1).

%H R. K. Guy, <a href="https://www.jstor.org/stable/2974502">My favorite elliptic curve: a tale of two types of triangles</a>, Amer. Math. Monthly, 102 (1995), 771-781.

%K nonn,cofr

%O 0,2

%A _N. J. A. Sloane_, _R. K. Guy_