A201527 - OEIS

A201527

Decimal expansion of least x satisfying 9*x^2 - 1 = sec(x) and 0 < x < Pi.

4, 8, 6, 6, 3, 6, 5, 1, 3, 4, 4, 2, 8, 2, 8, 7, 9, 6, 4, 1, 5, 0, 1, 0, 6, 8, 8, 8, 7, 7, 4, 0, 5, 3, 0, 6, 1, 5, 3, 8, 3, 1, 1, 0, 2, 8, 3, 9, 7, 3, 3, 6, 9, 2, 6, 7, 4, 2, 5, 4, 7, 1, 3, 2, 8, 8, 0, 9, 9, 8, 8, 9, 2, 5, 7, 8, 6, 4, 7, 1, 9, 3, 7, 2, 7, 8, 9, 1, 4, 0, 6, 4, 1, 4, 5, 6, 3, 3, 9

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OFFSET

0,1

COMMENTS

See A201397 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

Table of n, a(n) for n=0..98.

EXAMPLE

least: 0.4866365134428287964150106888774053061...

greatest: 1.52027247650615034595984357679438306...

MATHEMATICA

a = 9; c = -1;