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A182369 Decimal expansion of (7^(e - 1/e) - 9)*Pi^2, also known as Jenny's constant. 3
8, 6, 7, 5, 3, 0, 9, 0, 1, 9, 8, 1, 6, 8, 5, 4, 0, 9, 7, 5, 5, 8, 2, 7, 5, 2, 2, 4, 9, 6, 1, 4, 3, 1, 8, 3, 8, 4, 4, 0, 2, 9, 7, 2, 3, 1, 3, 2, 8, 1, 1, 6, 9, 3, 7, 7, 1, 5, 6, 5, 8, 9, 5, 6, 1, 7, 6, 0, 6, 0, 3, 9, 0, 3, 5, 9, 1, 8, 9, 7, 8, 3, 5, 4, 0, 3, 1, 2, 6, 0, 6, 4, 5, 9, 5, 0, 5, 4, 2, 7, 9, 7, 1, 3, 6, 8, 9, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
3,1
COMMENTS
First few digits reproduce the digits of the phone number in the song "867-5309/Jenny" performed by Tommy Tutone (see A104175).
The next digit is a 0, and the following 4 digits (1, 9, 8, 1) are the year the song was recorded (1981). (Noticed by Rob Johnson of the explainxkcd.com forums)
LINKS
explain xkcd, 1047: Approximations.
Robert Munafo, 867.5309019816854...
Eric Weisstein's World of Mathematics, Jenny's Constant
Wikipedia, 867-5309/Jenny
FORMULA
(7^(e - 1/e) - 9)*Pi^2.
EXAMPLE
867.530901981685409755827522496143183844029723...
MATHEMATICA
RealDigits[(7^(E-1/E)-9)Pi^2, 10, 120][[1]] (* Harvey P. Dale, Dec 31 2018 *)
CROSSREFS
Sequence in context: A004497 A091899 A292829 * A104175 A019792 A272487
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Apr 26 2012
EXTENSIONS
Title edited by Matthew Vandermast, May 05 2012
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)