A180873 Decimal expansion of the reciprocal of Wyler's constant.

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

Offset

3,2

Comments

This constant is very close to the fine structure constant A005600, but it seems unknown whether this is just a coincidence. - M. F. Hasler, Sep 19 2015

Links

Table of n, a(n) for n=3..101.

Eric Weisstein's World of Mathematics, Wyler's Constant.

Formula

Equals (16*(2/3)^(3/4)*5^(1/4)*Pi^(11/4))/3.

Example

137.03608244816433744...

Mathematica

RealDigits[(16*(2/3)^(3/4)*5^(1/4)*Pi^(11/4))/3, 10, 120][[1]] (* Amiram Eldar, Jun 11 2023 *)

Prog

(PARI) 16/9*Pi^3/sqrtn(Pi/5!, 4) \\ M. F. Hasler, Sep 19 2015

Crossrefs

Cf. A005600, A180872.

Sequence in context: A124919 A033920 A005600 * A021031 A291835 A197835

Adjacent sequences: A180870 A180871 A180872 * A180874 A180875 A180876

Keyword

nonn,cons

Author

Eric W. Weisstein, Sep 22 2010

Status

approved