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A013502
exp(sec(x)-cosh(x))=1+4/4!*x^4+60/6!*x^6+1944/8!*x^8+100920/10!*x^10...
0
1, 0, 4, 60, 1944, 100920, 7475884, 751912980, 98422975824, 16234482600240, 3291096841607764, 803683798982126700, 232547478441133195704, 78638339747954023956360, 30716698087655852509331644
(list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
Table of n, a(n) for n=0..14.
CROSSREFS
Sequence in context: A336637 A330069 A211309 * A303286 A322450 A099705
Adjacent sequences: A013499 A013500 A013501 * A013503 A013504 A013505
KEYWORD
nonn
AUTHOR
Patrick Demichel
EXTENSIONS
Checked by N. J. A. Sloane, Dec 17 2011
STATUS
approved

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Last modified May 21 10:16 EDT 2026. Contains 395788 sequences.
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