A019802 - OEIS

%I #13 Sep 08 2022 08:44:44

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

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

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

%N Decimal expansion of sqrt(2*e)/9.

%H Ivan Panchenko, <a href="/A019802/b019802.txt">Table of n, a(n) for n = 0..1000</a>

%e 0.2590715535107915781515040069076000973755818110208431581120107...

%t RealDigits[Sqrt[2*E]/9, 10, 100][[1]] (* _G. C. Greubel_, Sep 08 2018 *)

%o (PARI) default(realprecision, 100); sqrt(2*exp(1))/9 \\ _G. C. Greubel_, Sep 08 2018

%o (Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Sqrt(2*Exp(1))/9; // _G. C. Greubel_, Sep 08 2018

%K nonn,cons

%O 0,1

%A _N. J. A. Sloane_