A019776 Decimal expansion of sqrt(e)/3.

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

Offset

0,1

Links

G. C. Greubel, Table of n, a(n) for n = 0..20000

Index entries for transcendental numbers.

Mathematica

RealDigits[ Exp[1/2]/3, 10, 25][[1]] (* G. C. Greubel, Nov 06 2025 *)
RealDigits[Sqrt[E]/3, 10, 120][[1]] (* Harvey P. Dale, Dec 07 2025 *)

Prog

(Magma)
m:= 510; R:=RealField(m); SetDefaultRealField(R);
Prune(Reverse(IntegerToSequence(Floor(( Exp(1/2)/3 )*10^(Floor(m/2)) )))); // G. C. Greubel, Nov 06 2025
(SageMath)
numerical_approx( exp(1/2)/3 , digits=265 ) # G. C. Greubel, Nov 06 2025
(PARI) exp(1/2)/3 \\ Charles R Greathouse IV, May 18 2026

Crossrefs

Cf. A019774.

Sequence in context: A092302 A002389 A196758 * A057763 A198609 A332794

Adjacent sequences: A019773 A019774 A019775 * A019777 A019778 A019779

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved