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A013458 cos(tan(x)-arctanh(x))=1-8064/10!*x^10-2838528/12!*x^12... 0
1, 0, 0, 0, 0, -8064, -2838528, -863070208, -280413765632, -103486230003712, -44246647746887680, -22012763373859241984, -12714213783118211448832, -8481868824110022304727040, -6494340221977598984831631360 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

LINKS

Table of n, a(n) for n=0..14.

CROSSREFS

Sequence in context: A234446 A318104 A013378 * A172775 A172843 A258541

Adjacent sequences:  A013455 A013456 A013457 * A013459 A013460 A013461

KEYWORD

sign

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

STATUS

approved

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Last modified July 1 04:13 EDT 2022. Contains 354951 sequences. (Running on oeis4.)