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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 A024260 A099706 Adjacent sequences: A024256 A024257 A024258 * A024260 A024261 A024262 KEYWORD nonn AUTHOR EXTENSIONS Extended and signs tested 03/97. STATUS approved

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Last modified November 29 13:28 EST 2022. Contains 358430 sequences. (Running on oeis4.)