0,3
Cosh[ Tan[ x ]/Cos[ x ] ] (* Even Part *)
Sequence in context: A006934 A100713 A056565 this_sequence A012479 A078791 A143002
Adjacent sequences: A009164 A009165 A009166 this_sequence A009168 A009169 A009170
nonn
R. H. Hardin (rhhardin(AT)att.net)
Extended and signs tested Mar 15 1997 by Olivier Gerard.
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