|
|
A159275
|
|
Decimal expansion of integral(t=0,1,zeta(t)+1/(1-t))=0.539298676...
|
|
0
|
|
|
5, 3, 9, 2, 9, 8, 6, 7, 6, 5, 5, 7, 6, 5, 2, 7, 0, 2, 9, 8, 7, 5, 5, 4, 9, 9, 2, 5, 5, 1, 7, 9, 0, 6, 0, 9, 7, 9, 8, 8, 5, 4, 8, 3, 5, 6, 0, 9, 8, 8, 0, 1, 7, 4, 0, 8, 7, 2, 3, 3, 7, 5, 0, 3, 4, 7, 4, 4, 8, 1, 2, 3, 5, 1, 2, 0, 4, 0, 2, 3, 1, 9, 1, 8, 3, 5, 3, 1, 2, 8, 5, 6, 5, 0, 2, 0, 1, 8, 8, 7
(list;
constant;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,1
|
|
COMMENTS
|
The function zeta(t)+1/(1-t)) being almost linear between 0 and 1, the integral is near 1/4 + EulerGamma/2 = 0.5386... - Jean-François Alcover, Nov 08 2012
|
|
LINKS
|
|
|
MAPLE
|
Digits := 100 ; H := proc(n) option remember ; if n < 1 then 0 ; elif n = 1 then 1; else procname(n-1)+1/n ; fi; end: bn := proc(n) n*(1-gamma-H(n-1))-1/2+add(binomial(n, k)*(-1)^k*Zeta(k), k=2..n) ; end: x := 0.0 ; for n from 0 do ints := expand(binomial(s, n)) ; ints := int(ints, s=0..1) ; x := x+evalf((-1)^n*bn(n)*ints) ; printf("%.40f\n", 1+x) ; od: # J Comp Appl Math 220 (2008) 58. - R. J. Mathar, May 19 2009
|
|
MATHEMATICA
|
RealDigits[ N[ Integrate[Zeta[t] + 1/(1-t), {t, 0, 1}] , 105]][[1]] (* Jean-François Alcover, Nov 08 2012 *)
|
|
PROG
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|