A019978 - OEIS

%I #10 Sep 01 2014 08:38:12

%S 5,6,7,1,2,8,1,8,1,9,6,1,7,7,0,9,5,3,0,9,9,4,4,1,8,4,3,9,8,6,3,9,6,4,

%T 4,2,1,6,2,5,3,7,8,2,6,0,6,8,9,7,5,0,3,0,3,2,1,5,9,0,9,9,8,8,8,7,5,2,

%U 4,3,4,1,6,6,8,0,9,4,4,9,9,4,1,7,9,8,5,9,8,2,6,9,8,1,7,2,8,1,7

%N Decimal expansion of tangent of 80 degrees.

%H Ivan Panchenko, <a href="/A019978/b019978.txt">Table of n, a(n) for n = 1..1000</a>

%t RealDigits[Tan[80 Degree],10,120][[1]] (* _Harvey P. Dale_, Jan 04 2013 *)

%K nonn,cons

%O 1,1

%A _N. J. A. Sloane_.