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A009478 Expansion of sin(sin(x))*x. 1
0, 2, -8, 72, -1024, 18720, -451200, 13870976, -517341184, 22907884032, -1190546278400, 71557772290048, -4904509780131840, 379465209995010048, -32882543112668741632, 3167852772782079836160, -336982188500401608720384 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
MATHEMATICA
Sin[ Sin[ x ] ]*x (* Even Part *)
CROSSREFS
Equals 2 * A024253(n).
Sequence in context: A060635 A364408 A194499 * A038057 A107270 A294351
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
STATUS
approved

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Last modified May 27 12:27 EDT 2024. Contains 372858 sequences. (Running on oeis4.)