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A024259 Expansion of sinh(tan(x))*sin(x)/2. 1
0, 1, 4, 84, 2880, 155152, 11947072, 1240929984, 166862665728, 28164532992256, 5825137200342016, 1447885245123609600, 425631502990107721728, 146006164524789598523392, 57780315705196065420230656, 26120433169446248117938667520, 13373554434110899828789859057664 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
a(n) = A009606(n)/2.
MATHEMATICA
Sinh[ Tan[ x ] ]*Sin[ x ]/2 (* Even Part *)
CROSSREFS
Cf. A009606.
Sequence in context: A356504 A270577 A156477 * A357672 A361542 A024260
KEYWORD
nonn
AUTHOR
EXTENSIONS
Extended and signs tested 03/97.
STATUS
approved

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Last modified July 21 22:27 EDT 2024. Contains 374478 sequences. (Running on oeis4.)