A298743 - OEIS

%I #5 Feb 13 2018 11:41:45

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

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

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

%N Decimal expansion of (1/2)(1 + sqrt(1 + 4*sqrt(3))).

%H Clark Kimberling, <a href="/A298743/b298743.txt">Table of n, a(n) for n = 1..10000</a>

%e constant = 1.9078532620869538950... = positive zero of x^2 - x - sqrt(3).

%t r = (1/2)*(1 + Sqrt[1 + 4 Sqrt[3]])

%t RealDigits[N[r, 100], 10][[1]];  (* A298743 *)

%Y Cf. A298744, A298745.

%K nonn,easy,cons

%O 1,2

%A _Clark Kimberling_, Feb 13 2018