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A300690
Decimal expansion of sqrt(Pi^2/8 - 1).
4
4, 8, 3, 4, 2, 5, 8, 4, 7, 6, 0, 8, 6, 7, 9, 0, 9, 9, 0, 1, 3, 7, 3, 2, 6, 3, 7, 0, 6, 3, 9, 3, 1, 7, 0, 2, 2, 3, 2, 8, 0, 1, 7, 2, 7, 6, 6, 5, 1, 4, 5, 9, 9, 4, 8, 6, 9, 3, 4, 5, 7, 2, 4, 6, 1, 7, 4, 7, 3, 1, 3, 8, 1, 6, 4, 0, 8, 0, 1, 6, 6, 1, 5, 0, 2, 8, 7, 2, 5, 3, 3, 3, 6, 4, 5, 5, 2, 0, 4, 5, 1, 0, 0
OFFSET
0,1
COMMENTS
Also the total harmonic distortion (THD) of a square wave, see formula (11) in the Blagouchine & Moreau link.
EXAMPLE
0.4834258476086790990137326370639317022328017276651459...
MAPLE
evalf(sqrt((1/8)*Pi^2-1), 120)
MATHEMATICA
RealDigits[Sqrt[Pi^2/8 - 1], 10, 120][[1]]
PROG
(PARI) default(realprecision, 120); sqrt(Pi^2/8-1)
(MATLAB) format long; sqrt(pi^2/8-1)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
STATUS
approved