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A346907
Decimal expansion of 2 - 3 * Pi^3 / (2^6 * sqrt(2)).
3
9, 7, 2, 2, 7, 7, 4, 1, 4, 0, 6, 3, 1, 4, 1, 4, 3, 2, 1, 2, 0, 7, 4, 3, 3, 8, 1, 9, 9, 7, 7, 4, 4, 2, 3, 2, 7, 8, 9, 8, 9, 9, 6, 8, 1, 4, 6, 3, 0, 0, 2, 5, 3, 4, 6, 6, 8, 9, 1, 5, 2, 4, 4, 8, 1, 4, 7, 4, 2, 2, 2, 7, 5, 3, 1, 4, 1, 5, 0, 3, 1, 9, 6, 4, 8, 9, 2
OFFSET
0,1
REFERENCES
L. B. W. Jolley, Summation of Series, Dover, 1961, Eq. (326).
FORMULA
Equals 2 - 3 * Pi^3 / (2^6 * sqrt(2)).
Equals 1 + Sum_{k>=1} ( (-1)^k/(4*k-1)^3 - (-1)^k/(4*k+1)^3 ).
EXAMPLE
0.9722774140631414321207433819977442327898996814630...
MATHEMATICA
RealDigits[2-3*Pi^3/(2^6*Sqrt[2]), 10, 120][[1]] (* Amiram Eldar, Jun 13 2023 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Sean A. Irvine, Aug 06 2021
STATUS
approved