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A013369 Expansion of e.g.f.: exp(sin(x)-sinh(x))=1-2/3!*x^3+40/6!*x^6-2/7!*x^7-2240/9!*x^9... 1
1, 0, 0, -2, 0, 0, 40, -2, 0, -2240, 480, -2, 246400, -137280, 8320, -44844802, 51251200, -10325120, 12197916160, -24831206402, 11394406400, -4636033573760, 15296025241600, -13230894476802, 2348235343872000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..24.

MATHEMATICA

With[{nn=30}, CoefficientList[Series[Exp[Sin[x]-Sinh[x]], {x, 0, nn}], x] Range[ 0, nn]!] (* Harvey P. Dale, May 13 2020 *)

CROSSREFS

Sequence in context: A229685 A230469 A004076 * A013416 A156433 A169771

Adjacent sequences:  A013366 A013367 A013368 * A013370 A013371 A013372

KEYWORD

sign

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

EXTENSIONS

Definition clarified by Harvey P. Dale, May 13 2020

STATUS

approved

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Last modified September 25 15:45 EDT 2020. Contains 337344 sequences. (Running on oeis4.)