login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A019646 Decimal expansion of sqrt(Pi*e)/2. 1

%I

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

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

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

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

%H Ivan Panchenko, <a href="/A019646/b019646.txt">Table of n, a(n) for n = 1..1000</a>

%e 1.4611411826611389322708115380538411576989537763232834295...

%t RealDigits[Sqrt[Pi*E]/2, 10, 20][[1]] (* _G. C. Greubel_, Jan 10 2017 *)

%o (PARI) sqrt(Pi*exp(1))/2 \\ _G. C. Greubel_, Jan 10 2017

%o (MAGMA) C<i> := ComplexField(); [Sqrt(Pi(C)*Exp(1))/2]; // _G. C. Greubel_, Nov 17 2017

%Y Cf. A019645.

%K nonn,cons

%O 1,2

%A _N. J. A. Sloane_

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 18 21:20 EST 2020. Contains 332028 sequences. (Running on oeis4.)