A019646 Decimal expansion of sqrt(Pi*e)/2.

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, 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, 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

Offset

1,2

Links

Ivan Panchenko, Table of n, a(n) for n = 1..1000

Example

1.4611411826611389322708115380538411576989537763232834295...

Mathematica

RealDigits[Sqrt[Pi*E]/2, 10, 20][[1]] (* G. C. Greubel, Jan 10 2017 *)

Prog

(PARI) sqrt(Pi*exp(1))/2 \\ G. C. Greubel, Jan 10 2017
(Magma) C<i> := ComplexField(); [Sqrt(Pi(C)*Exp(1))/2]; // G. C. Greubel, Nov 17 2017

Crossrefs

Cf. A019645.

Sequence in context: A201402 A262562 A107951 * A238582 A154748 A190282

Adjacent sequences: A019643 A019644 A019645 * A019647 A019648 A019649

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved