OFFSET
-2,1
LINKS
Michael Ian Shamos, Shamos's catalog of the real numbers, (2011).
FORMULA
Equals Sum_{k>=1} 1/((2k-1)(2k+1)(2k+3))^2.
EXAMPLE
0.0045483154641548102033555802936875350058...
MATHEMATICA
RealDigits[3*Pi^2/256 - 1/9, 10, 100][[1]] (* Amiram Eldar, Dec 14 2021 *)
PROG
(PARI) 3*Pi^2/256 - 1/9
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Christoph B. Kassir, Dec 13 2021
STATUS
approved