1,1

Table of n, a(n) for n=1..102.

Steven Finch, Goldberg’s Zero-One Constants, May 21, 2014. [Cached copy, with permission of the author]

Wan Tzei Lai, The exact value of Hayman's constant in Landau's Theorem, Sci. Sinica 22, 2 (1979), 129-134.

Wikipedia, Théorème de Landau, [in French]

K = (1/(4*Pi^2))*Gamma(1/4)^4.

4.37687923045295327767353988140892908651874544565...

K = (1/(4*Pi^2))*Gamma[1/4]^4; RealDigits[K, 10, 102] // First

(PARI) (1/(4*Pi^2))*gamma(1/4)^4 \\ Michel Marcus, Oct 23 2014

Cf. A068466.

Sequence in context: A046560 A131413 A205392 * A168200 A112887 A305035

Adjacent sequences: A249186 A249187 A249188 * A249190 A249191 A249192

nonn,cons,easy

Jean-François Alcover, Oct 23 2014

approved