OFFSET
1,3
FORMULA
Equals limit n->infinity A258941(n) * (-1)^n / exp(Pi*n/sqrt(3)).
Equals 8*exp(Pi/(6*sqrt(3))) * Pi^(5/2) / Gamma(1/6)^3. - Vaclav Kotesovec, Nov 14 2015
EXAMPLE
1.09786330972731096865822482325074133091288087389363045791649825994...
MAPLE
evalf(8*exp(Pi/(6*sqrt(3))) * Pi^(5/2) / GAMMA(1/6)^3, 120); # Vaclav Kotesovec, Nov 14 2015
MATHEMATICA
RealDigits[8*E^(Pi/(6*Sqrt[3]))*Pi^(5/2)/Gamma[1/6]^3, 10, 105][[1]] (* Vaclav Kotesovec, Nov 14 2015 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Vaclav Kotesovec, Nov 07 2015
STATUS
approved