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A024269
Expansion of tan(x)*sin(tan(x))/2.
0
0, 1, 6, 59, 268, -58123, -8182126, -1063116241, -153085326824, -25192786614807, -4733251241428194, -1002760023439122397, -234743067240981946588, -58793979433427774979363, -14793571004015066901139030
OFFSET
0,3
MATHEMATICA
Tan[ x ]*Sin[ Tan[ x ]]/2 (* Even Part *)
CROSSREFS
Cf. A009742.
Sequence in context: A274985 A034982 A156147 * A224757 A354864 A114501
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs Mar 1997
STATUS
approved