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A024339 Expansion of tan(log(1+x))*log(1+x)/2. 0
0, 0, 1, -3, 15, -90, 662, -5712, 56688, -635616, 7944640, -109494880, 1649256800, -26948575680, 474694809920, -8965921171200, 180743109203200, -3873060672256000, 87906536803046400, -2106613788720768000 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
LINKS
MATHEMATICA
Tan[ Log[ 1+x ] ]*Log[ 1+x ]/2
CROSSREFS
Cf. A009645.
Sequence in context: A201953 A355501 A185369 * A319950 A336743 A034954
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs, Mar 1997
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)