OFFSET
0,3
COMMENTS
Periodic part is ...1,2,1,k,..., for k=2..oo.
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,2,0,0,0,-1).
FORMULA
G.f.: (x^4-x^2-1)*(x^6+x^5+x^4-x^3-x^2-x-1) / ((x-1)^2*(x+1)^2*(x^2+1)^2). - Colin Barker, Jul 16 2013
EXAMPLE
1.704111721167913924209364024428505183278823713737764668609552441...
MATHEMATICA
ContinuedFraction[(Tan[1]+Sec[1])/2, 100] (* Harvey P. Dale, Feb 11 2015 *)
CROSSREFS
KEYWORD
nonn,cofr,easy
AUTHOR
Ralf Stephan, Nov 24 2004
STATUS
approved