A254666 Decimal expansion of the right Alzer's constant.
9, 3, 0, 1, 0, 4, 3, 1, 6, 3, 0, 3, 6, 1, 6, 6, 8, 2, 2, 9, 9, 4, 5, 3, 0, 6, 2, 4, 0, 7, 2, 6, 1, 6, 0, 0, 3, 3, 3, 5, 3, 3, 2, 0, 5, 8, 0, 7, 3, 4, 6, 3, 8, 5, 4, 8, 0, 8, 2, 8, 9, 4, 4, 1, 0, 5, 1, 3, 6, 4, 6, 5, 2, 2, 8, 6, 7, 5, 8, 3, 4, 8, 3, 8, 8, 3, 1, 7, 4, 4, 3, 8, 0, 7, 7, 3, 2, 4, 3, 6, 8, 9, 9, 9, 7, 8, 4
Offset: 0
Examples
0.9301043163036166822994530624072616003335332058073463854808289441...
Links
- Horst Alzer, A trigonometric double-inequality, Elemente der Mathematik 65 (2010), 45-48.
Crossrefs
Cf. A254615.
Programs
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Mathematica
RealDigits[1/(Sqrt[2]*Cos[1/Sqrt[2]]), 10, 120][[1]] (* Amiram Eldar, Jun 12 2023 *)
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PARI
1/(sqrt(2)*cos(1/sqrt(2))) \\ Michel Marcus, Feb 05 2015
Formula
Equals (sqrt(2)*cos(1/sqrt(2)))^(-1).
Extensions
a(99) corrected by Georg Fischer, Aug 12 2021
Comments