0,3
Tan[ x ]*Sin[ Tan[ x ]]/2 (* Even Part *)
Cf. A009742.
Sequence in context: A141382 A034982 A156147 this_sequence A114501 A089153 A075136
Adjacent sequences: A024266 A024267 A024268 this_sequence A024270 A024271 A024272
sign
R. H. Hardin (rhhardin(AT)att.net)
Extended with signs 03/97.
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