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A009322 Expansion of ln(1+ln(1+x)/cos(x)). 0
0, 1, -2, 10, -53, 393, -3469, 36923, -455034, 6408445, -101394621, 1782112451, -34444229280, 726178939315, -16584374311751, 407872396640525, -10747392535828704, 302068718096449161, -9020579203256189193 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

MATHEMATICA

Log[ 1+Log[ 1+x ]/Cos[ x ] ]

CROSSREFS

Sequence in context: A037619 A009320 A204186 * A192697 A102536 A163909

Adjacent sequences:  A009319 A009320 A009321 * A009323 A009324 A009325

KEYWORD

sign,easy

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

EXTENSIONS

Extended with signs Mar 15 1997 by Olivier Gerard.

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Last modified February 16 06:22 EST 2012. Contains 205860 sequences.