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A019952 Decimal expansion of tangent of 54 degrees. 1
1, 3, 7, 6, 3, 8, 1, 9, 2, 0, 4, 7, 1, 1, 7, 3, 5, 3, 8, 2, 0, 7, 2, 0, 9, 5, 8, 1, 9, 1, 0, 8, 8, 7, 6, 7, 9, 5, 2, 5, 8, 9, 9, 3, 3, 6, 0, 0, 8, 1, 5, 8, 6, 6, 3, 3, 6, 5, 6, 7, 5, 7, 6, 5, 6, 1, 9, 0, 9, 5, 1, 9, 3, 7, 6, 7, 1, 7, 2, 9, 8, 5, 0, 6, 5, 9, 5, 2, 9, 9, 3, 1, 1, 0, 0, 7, 0, 1, 9 (list; constant; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Anonymous, Exact trigonometric constants, Wikipedia

FORMULA

Equals A019863/A019845 = 1/A019934 . [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 26 2010]

CROSSREFS

Sequence in context: A200611 A016666 A065281 * A157699 A159779 A188734

Adjacent sequences:  A019949 A019950 A019951 * A019953 A019954 A019955

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 13 18:00 EST 2012. Contains 205531 sequences.