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A024251
Expansion of tan(x)*sinh(sin(x))/2.
0
0, 1, 4, 24, 864, 30592, 1553920, 117742464, 11397335040, 1412290109440, 217673365676032, 40748299759681536, 9116312439290462208, 2401574168877397737472, 735827858439672282087424
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..14.
MATHEMATICA
Tan[ x ]*Sinh[ Sin[ x ] ]/2 (* Even Part *)
CROSSREFS
A009745
.
Sequence in context:
A326794
A223005
A009043
*
A193484
A024252
A368141
Adjacent sequences:
A024248
A024249
A024250
*
A024252
A024253
A024254
KEYWORD
nonn
AUTHOR
R. H. Hardin
EXTENSIONS
Extended and signs tested 03/97.
STATUS
approved
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Last modified September 19 02:20 EDT 2024. Contains 376003 sequences. (Running on oeis4.)