A216701 - OEIS

%I #26 Sep 08 2022 08:46:03

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

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

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

%N Decimal expansion of sqrt(2)/(2*log(2)).

%H G. C. Greubel, <a href="/A216701/b216701.txt">Table of n, a(n) for n = 1..10000</a>

%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>

%e 1.020139446596789481748279105532262769155098088682029887792564377467...

%t RealDigits[Sqrt[2]/(2*Log[2]), 10, 105][[1]] (* _T. D. Noe_, Sep 17 2012 *)

%o (PARI) default(realprecision, 100); sqrt(2)/(2*log(2)) \\ _G. C. Greubel_, Oct 05 2018

%o (Magma) SetDefaultRealField(RealField(100)); Sqrt(2)/(2*Log(2)); // _G. C. Greubel_, Oct 05 2018

%Y Cf. A002193 (sqrt(2)), A016627 (2*log(2)).

%K nonn,cons

%O 1,3

%A _John W. Nicholson_, Sep 16 2012