OFFSET
1,3
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
J.-P. Allouche, A note on products involving zeta(3) and Catalan's constant. arXiv:1305.6247v3 [math.NT], 2014
FORMULA
exp(2*G/Pi - 1/2), where G is Catalan's constant (G = A006752 = 0.915965594...).
EXAMPLE
1.08667416616077395213570672082096523329598330887030210204951841...
MATHEMATICA
RealDigits[Exp[2*Catalan/Pi - 1/2] , 10, 105] // First
PROG
(PARI) default(realprecision, 100); exp(2*Catalan/Pi - 1/2) \\ G. C. Greubel, Aug 25 2018
(Magma) SetDefaultRealField(RealField(100)); R:=RealField(); Exp(2*Catalan(R)/Pi(R) - 1/2); // G. C. Greubel, Aug 25 2018
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Aug 11 2014
STATUS
approved