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A024250
Expansion of tan(x)*sin(sinh(x))/2.
0
0, 1, 4, 24, 416, 17152, 996352, 74691456, 7245522944, 896234266624, 137930480164864, 25825353123102720, 5777805863334576128, 1522101710704028188672, 466366128918332878225408
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..14.
MATHEMATICA
Tan[ x ]*Sin[ Sinh[ x ] ]/2 (* Even Part *)
CROSSREFS
Cf.
A009741
.
Sequence in context:
A361054
A196687
A185457
*
A167140
A010572
A247737
Adjacent sequences:
A024247
A024248
A024249
*
A024251
A024252
A024253
KEYWORD
nonn
AUTHOR
R. H. Hardin
EXTENSIONS
Extended and signs tested 03/97.
STATUS
approved
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Last modified August 18 15:26 EDT 2024. Contains 375269 sequences. (Running on oeis4.)