OFFSET
1,3
REFERENCES
Calvin C. Clawson, Mathematical Mysteries: The Beauty and Magic of Numbers, Springer, 2013. See p. 230.
FORMULA
Equals 1/A347329. - Hugo Pfoertner, Jul 01 2024
EXAMPLE
1.077928136741855194... = (1+1/2^4)*(1+1/3^4)*(1+1/5^4)*(1+1/7^4)*...
MAPLE
evalf(105/Pi^4) ;
MATHEMATICA
RealDigits[105/\[Pi]^4, 10, 150][[1]] (* Harvey P. Dale, Mar 20 2011 *)
PROG
(PARI) 105/Pi^4 \\ Charles R Greathouse IV, Sep 30 2022
CROSSREFS
KEYWORD
AUTHOR
R. J. Mathar, Feb 26 2009
STATUS
approved