|
Search: id:A003700
|
|
|
| A003700 |
|
Expansion of tan(x /cosh(x)).
(Formerly M5080)
|
|
+0
1
|
|
| 1, -1, -19, 475, 1753, -1109769, 70784325, 2711086547, -1376283649103, 148592152807663, 21812320857733789, -12754009647903010101, 1675171082535404962441, 847081835857552788679655
(list; graph; listen)
|
|
|
OFFSET
|
0,3
|
|
|
REFERENCES
|
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
|
|
MATHEMATICA
|
Tan[ x/Cosh[ x ] ] (* Odd Part *)
|
|
CROSSREFS
|
Sequence in context: A114350 A012506 A081686 this_sequence A093975 A159248 A158583
Adjacent sequences: A003697 A003698 A003699 this_sequence A003701 A003702 A003703
|
|
KEYWORD
|
sign
|
|
AUTHOR
|
R. H. Hardin (rhhardin(AT)att.net), N. J. A. Sloane (njas(AT)research.att.com), Simon Plouffe (simon.plouffe(AT)gmail.com)
|
|
|
Search completed in 0.002 seconds
|
