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A024248 Expansion of sin(tan(x)*x)/2. 0
0, 1, 4, -12, -2272, -166960, -13136448, -1177426880, -116571720704, -11452654888704, -669616618900480, 214088681811547136, 155062926684742508544, 76744341986122463531008, 36379718195920790292840448 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
MATHEMATICA
Sin[ Tan[ x ]*x ]/2 (* Even Part *)
CROSSREFS
Cf. A009515.
Sequence in context: A009516 A266500 A146210 * A130539 A156823 A212256
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs Mar 1997
STATUS
approved

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Last modified April 13 05:19 EDT 2024. Contains 371639 sequences. (Running on oeis4.)