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A024285 Expansion of tanh(sin(x))*sin(x)/2. 0
0, 1, -8, 144, -5184, 305152, -26442752, 3162378240, -498850234368, 100338708840448, -25063296518586368, 7611477148997517312, -2761834207318131081216, 1180050998603017168617472 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
MATHEMATICA
Tanh[ Sin[ x ] ]*Sin[ x ]/2 (* Even Part *)
CROSSREFS
Cf. A009795.
Sequence in context: A052764 A341957 A024284 * A111687 A231851 A071305
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs Mar 1997
STATUS
approved

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)