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A273067 Decimal expansion of the constant term, which is also a root, of the cubic polynomial below.

%I A273067 #7 Feb 11 2025 09:33:59
%S A273067 6,3,8,8,9,6,9,1,9,4,7,1,3,5,2,6,2,2,3,6,5,3,5,3,4,3,7,8,4,0,9,7,1,8,
%T A273067 6,0,4,7,3,5,8,5,0,9,2,3,7,9,7,4,9,3,4,9,1,2,2,1,3,8,5,0,8,5,0,5,8,5,
%U A273067 1,4,1,0,7,4,7,5,2,3,5,3,9,6,4,2,0,6,9,4,6,6,0,1,5,0,5,2,5,7,0,4,4,4,7,8,0
%N A273067 Decimal expansion of the constant term, which is also a root, of the cubic polynomial below.
%C A273067 The roots of x^3 + A273065*x^2 - A273066*x + A273067 are A273065, -A273066, and A273067. See A273066, the main entry.
%H A273067 <a href="/index/Al#algebraic_03">Index entries for algebraic numbers, degree 3</a>.
%F A273067 A273066 - 2/A273066.
%e A273067 0.638896919471352622365353437840971860473585092379749349122138508505851410...
%o A273067 (PARI) default(realprecision, 200);
%o A273067 A273066 = -solve(x = -1.8, -1.7, x^3 - 2*x + 2);
%o A273067 A273067 = A273066 - 2/A273066
%o A273067 (PARI) polrootsreal(x^3-2*x^2+4*x-2)[1] \\ _Charles R Greathouse IV_, Feb 11 2025
%Y A273067 Cf. A273065, A273066.
%K A273067 nonn,cons
%O A273067 0,1
%A A273067 _Rick L. Shepherd_, May 15 2016