VOOZH
about
URL: https://oeis.org/A012449
⇱ A012449 - OEIS
login
A012449
sinh(arctan(x)*tan(x))=2/2!*x^2+280/6!*x^6-2688/8!*x^8+774688/10!*x^10...
0
2, 0, 280, -2688, 774688, -44971520, 12196692352, -2010939305984, 682495898190336, -217798427799339008, 100459217814408271872, -50559840345962764140544, 31791509418375951964839936
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
0,1
LINKS
Table of n, a(n) for n=0..12.
CROSSREFS
Sequence in context:
A348183
A012330
A012336
*
A012446
A324687
A012755
Adjacent sequences:
A012446
A012447
A012448
*
A012450
A012451
A012452
KEYWORD
sign
AUTHOR
Patrick Demichel
STATUS
approved