A133840 Decimal expansion of second inflection point of Planck's radiation function.

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

Offset

0,1

Links

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

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

Example

0.28375729638007552563...

Mathematica

f[x_] := 1/(x^5*(E^(1/x)-1)); RealDigits[x /. FindRoot[f''[x], {x, 1/4}, WorkingPrecision -> 110], 10, 105][[1]] (* Amiram Eldar, Sep 08 2020 *)

Crossrefs

Cf. A133838, A133839.

Sequence in context: A309640 A185576 A256921 * A337570 A190732 A081349

Adjacent sequences: A133837 A133838 A133839 * A133841 A133842 A133843

Keyword

nonn,cons

Author

Eric W. Weisstein, Sep 26 2007

Status

approved