OFFSET
1,3
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
Philippe Flajolet, Bruno Salvy, Euler Sums and Contour Integral Representations, Experimental Mathematics 7:1 (1998) page 16.
FORMULA
Equals 6*zeta(7) - zeta(2)*zeta(5) - 5/2*zeta(3)*zeta(4).
EXAMPLE
1.091882588664530085165782130699273873...
MATHEMATICA
RealDigits[6*Zeta[7] -Zeta[2]*Zeta[5] -(5/2)*Zeta[3]*Zeta[4], 10, 100][[1]]
PROG
(PARI) 6*zeta(7) - zeta(2)*zeta(5) - (5/2)*zeta(3)*zeta(4) \\ G. C. Greubel, Dec 30 2017
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Jean-François Alcover, Feb 19 2014
STATUS
approved