A201521 - OEIS

A201521

Decimal expansion of least x satisfying 6*x^2 - 1 = sec(x) and 0 < x < Pi.

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

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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: 0.60805447799791305332799572251089761...

greatest: 1.489480656731833320399126017677317...

MATHEMATICA

a = 6; c = -1;