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

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, 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, 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

Offset: 0

Author

Rick L. Shepherd, May 15 2016

Keywords

• nonn
• cons

Comments

The roots of x^3 + A273065*x^2 - A273066*x + A273067 are A273065, -A273066, and A273067. See A273066, the main entry.

Examples

			0.638896919471352622365353437840971860473585092379749349122138508505851410...
		

Links

• Index entries for algebraic numbers, degree 3.

Crossrefs

Cf. A273065, A273066.

Programs

PARI

default(realprecision, 200);
A273066 = -solve(x = -1.8, -1.7, x^3 - 2*x + 2);
A273067 = A273066 - 2/A273066

PARI

polrootsreal(x^3-2*x^2+4*x-2)[1] \\ Charles R Greathouse IV, Feb 11 2025

Formula

A273066 - 2/A273066.