OFFSET
0,5
EXAMPLE
While cofrac of tanh(1)={0,1,3,5,7,11,..}, i.e. 0 and odd numbers, twice applying tanh() we get this sequence
MAPLE
with(numtheory); cfrac(tanh(tanh(tanh(1))), 300, 'quotients');
MATHEMATICA
ContinuedFraction[Tanh[Tanh[1]], 120] (* Harvey P. Dale, Jan 19 2024 *)
CROSSREFS
KEYWORD
cofr,easy,nonn
AUTHOR
Labos Elemer, Jun 04 2003
STATUS
approved