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A182064 Decimal expansion of the White House switchboard constant. 1
2, 0, 2, 4, 5, 6, 1, 4, 1, 4, 9, 2, 3, 9, 6, 5, 7, 9, 9, 2, 3, 8, 3, 7, 1, 7, 8, 5, 7, 2, 5, 9, 2, 0, 5, 7, 3, 5, 2, 3, 9, 7, 8, 2, 9, 8, 6, 6, 9, 5, 1, 5, 0, 3, 5, 8, 0, 0, 8, 1, 5, 5, 6, 7, 8, 1, 6, 0, 8, 8, 7, 6, 2, 7, 2, 4, 6, 3, 4, 2, 2, 4, 5, 4, 7, 6, 3, 8, 5, 1, 5, 9, 5, 0, 5, 2, 4, 5, 7, 4, 2, 2, 5, 4, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

First few digits reproduce the digits of the White House switchboard: 202-456-1414.

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..5000

Eric Weisstein's World of Mathematics, White House Switchboard Constant

White House, Write or Call the White House

xkcd, A Table of Slightly Wrong Equations and Identities Useful for Approximations and/or Trolling Teachers

FORMULA

Equals 1/e^((1+8^(1/(e-1)))^(1/Pi)).

EXAMPLE

0.2024561414...

MATHEMATICA

RealDigits[1/E^(1 + 8^(1/(E - 1)))^(1/Pi), 10, 105][[1]] (* Bruno Berselli, Apr 26 2012 *)

PROG

(PARI) exp(-(1+8^(1/(exp(1)-1)))^(1/Pi)) \\ G. C. Greubel, Aug 20 2017

CROSSREFS

Sequence in context: A120553 A078023 A077484 * A194751 A194739 A194765

Adjacent sequences:  A182061 A182062 A182063 * A182065 A182066 A182067

KEYWORD

nonn,cons,easy

AUTHOR

Eric W. Weisstein, Apr 26 2012

STATUS

approved

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Last modified May 22 05:51 EDT 2022. Contains 353933 sequences. (Running on oeis4.)