A019741 Decimal expansion of e/4.

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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Comments

Also (with offset = 1) 2.5*e = Sum_{n>=1} A000326(n)/n!. - Richard R. Forberg, Jul 15 2013

Also abscissa of minimum of f(x) = 2*Pi/(4x)^(1/(2x)) = (Product_{k=1..x} Gamma(k/(2x))*Gamma(1 - k/(2x)))^(1/x). - Andrea Pinos, Nov 22 2023

Examples

			0.679570457114761308840071867838165624439311773424989893741741906931019....
		

Links

• Harry J. Smith, Table of n, a(n) for n = 0..20000
• Index entries for transcendental numbers

Crossrefs

Cf. A000326, A001113, A006085 (continued fraction).

Programs

Mathematica

First[RealDigits[E/4, 10, 100]] (* Paolo Xausa, May 02 2024 *)

PARI

default(realprecision, 20080); x=10*exp(1)/4; for (n=0, 20000, d=floor(x); x=(x-d)*10; write("b019741.txt", n, " ", d)); \\ Harry J. Smith, May 10 2009