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A013337 E.g.f.: cosh(exp(x)-sec(x))=1+1/2!*x^2+5/4!*x^4-20/5!*x^5+37/6!*x^6... 0
1, 0, 1, 0, 5, -20, 37, -700, 1017, -28584, 83769, -1514040, 9304605, -108745468, 1172343421, -11027747380, 169643707825, -1567659515472, 28786470143025, -295814371937904, 5793951884450549, -69644639946402276 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,5
LINKS
MATHEMATICA
With[{nn=30}, CoefficientList[Series[Cosh[Exp[x]-Sec[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jan 16 2013 *)
CROSSREFS
Sequence in context: A326005 A063110 A044066 * A031082 A161445 A238100
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
Definition clarified by Harvey P. Dale, Jan 16 2013
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)