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A013479
cosh(cos(x)-cosh(x))=1+12/4!*x^4+1792/8!*x^8+889152/12!*x^12...
0
1, 12, 1792, 889152, 1045556992, 2424156352512, 9849171061952512, 64566114865428283392, 642433596401162586161152, 9255521545388420536885051392, 185972570219438391836588939149312, 5054977199391984218529977072942579712
OFFSET
0,2
MATHEMATICA
With[{nn=40}, Take[CoefficientList[Series[Cosh[Cos[x]-Cosh[x]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 4}]] (* Harvey P. Dale, May 24 2013 *)
CROSSREFS
Sequence in context: A174775 A145186 A160304 * A090914 A049406 A049405
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
More terms from Harvey P. Dale, May 24 2013
STATUS
approved