A133839 Decimal expansion of first inflection point of Planck's radiation function.

1, 1, 8, 4, 1, 9, 7, 2, 3, 7, 6, 6, 7, 2, 9, 7, 1, 5, 3, 9, 5, 4, 7, 3, 4, 9, 5, 7, 3, 7, 1, 1, 0, 6, 0, 2, 6, 3, 2, 5, 5, 9, 8, 0, 5, 1, 7, 3, 5, 7, 6, 1, 7, 2, 6, 5, 6, 4, 1, 5, 9, 4, 4, 8, 2, 0, 3, 0, 7, 0, 1, 0, 4, 3, 2, 7, 5, 3, 1, 6, 7, 2, 0, 9, 5, 3, 8, 5, 8, 7, 7, 1, 5, 5, 7, 5, 3, 9, 1, 0, 4, 0, 3, 0, 2

Offset

0,3

Links

Table of n, a(n) for n=0..104.

Eric Weisstein's World of Mathematics, Planck's Radiation Function

Example

0.11841972376672971539...

Mathematica

f[x_] := 1/(x^5*(E^(1/x)-1)); RealDigits[x /. FindRoot[f''[x], {x, 1/10}, WorkingPrecision -> 110], 10, 105][[1]] (* Amiram Eldar, Sep 08 2020 *)

Crossrefs

Cf. A133838, A133840.

Sequence in context: A154527 A145435 A197477 * A080828 A131916 A131606

Adjacent sequences: A133836 A133837 A133838 * A133840 A133841 A133842

Keyword

nonn,cons

Author

Eric W. Weisstein, Sep 26 2007

Status

approved