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
Ivan Panchenko, Table of n, a(n) for n = 3..1000
explain xkcd, 1047: Approximations.
Robert Munafo, 867.5309019816854...
Randall Munroe, xkcd: A Table of Slightly Wrong Equations and Identities Useful for Approximations and/or Trolling Teachers
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
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Apr 26 2012
EXTENSIONS
Title edited by Matthew Vandermast, May 05 2012
STATUS
approved