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 A139349 Decimal expansion of negated secant of the golden ratio. That is, the decimal expansion of -sec((1+sqrt(5))/2). 4
 2, 1, 1, 7, 7, 4, 2, 4, 0, 0, 6, 3, 6, 6, 1, 4, 4, 4, 0, 8, 7, 2, 8, 0, 4, 0, 4, 0, 9, 3, 7, 1, 3, 0, 2, 1, 3, 3, 0, 7, 1, 8, 5, 3, 5, 5, 3, 6, 4, 1, 7, 4, 0, 6, 1, 7, 5, 4, 3, 5, 6, 5, 6, 6, 7, 8, 9, 4, 6, 1, 6, 1, 8, 5, 2, 9, 6, 3, 3, 7, 1, 6, 9, 2, 4, 2, 6, 8, 3, 7, 9, 4, 9, 2, 4, 6, 5, 3, 3, 1, 8, 7, 3, 3, 6 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 COMMENTS By the Lindemann-Weierstrass theorem, this constant is transcendental. - Charles R Greathouse IV, May 13 2019 LINKS EXAMPLE sec(A001622) = -21.1774240063661444087... MATHEMATICA RealDigits[-Sec[GoldenRatio], 10, 120][[1]] (* Harvey P. Dale, Dec 08 2011 *) PROG (PARI) -1/cos((sqrt(5)+1)/2) \\ Charles R Greathouse IV, May 13 2019 CROSSREFS Cf. A001622, A094214, A104457, A098317, A002390, A139339, A139340, A139341, A139342, A139345, A139346, A139347, A139348. Sequence in context: A015110 A128596 A176305 * A168347 A120475 A086738 Adjacent sequences:  A139346 A139347 A139348 * A139350 A139351 A139352 KEYWORD nonn,cons AUTHOR Mohammad K. Azarian, Apr 15 2008 EXTENSIONS Offset corrected by Mohammad K. Azarian, Dec 13 2008 Sign in definition added by R. J. Mathar, Feb 05 2009 STATUS approved

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Last modified May 13 00:11 EDT 2021. Contains 343829 sequences. (Running on oeis4.)