0,2

This sequence is also decimal expansion of cotangent of 86 degrees. - Mohammad K. Azarian, Jun 29 2013

Ivan Panchenko, Table of n, a(n) for n = 0..1000

0.0699268...

Join[{0}, RealDigits[Tan[4 Degree], 10, 120][[1]]] (* Harvey P. Dale, Apr 13 2016 *)

Sequence in context: A197847 A303046 A155554 * A021147 A246709 A051496

Adjacent sequences: A019899 A019900 A019901 * A019903 A019904 A019905

nonn,cons

N. J. A. Sloane.

Zero added in front - R. J. Mathar, Feb 05 2009

approved