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A012728 sin(arctanh(x)*atan(x))=2/2!*x^2+88/6!*x^6+112032/10!*x^10... 0
2, 88, 112032, 339519360, -45065746337280, -13641523340876605440, -5909672857101969499054080, -4213934311138261721595771125760 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A166848 A001904 A053950 * A012733 A058459 A105268

Adjacent sequences:  A012725 A012726 A012727 * A012729 A012730 A012731

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified February 15 05:29 EST 2012. Contains 205694 sequences.