A019780 Decimal expansion of sqrt(e)/7.

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

Offset

0,1

Links

Ivan Panchenko, Table of n, a(n) for n = 0..1000

Index entries for transcendental numbers.

Mathematica

RealDigits[Sqrt[E]/7, 10, 120][[1]] (* Harvey P. Dale, Jul 02 2017 *)

Prog

(PARI) exp(.5)/7 \\ Charles R Greathouse IV, Nov 26 2024
(Magma)
m:= 510; R:=RealField(m); SetDefaultRealField(R);
Prune(Reverse(IntegerToSequence(Floor(( Exp(1/2)/7 )*10^(Floor(m/2)) )))); // G. C. Greubel, Nov 06 2025
(SageMath)
numerical_approx( exp(1/2)/7 , digits=265 ) # G. C. Greubel, Nov 06 2025

Crossrefs

Cf. A019774.

Sequence in context: A264035 A082876 A096099 * A227833 A133293 A262565

Adjacent sequences: A019777 A019778 A019779 * A019781 A019782 A019783

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved