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Template:Sequence of the Day for June 15

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Intended for: June 15, 2013

Timetable

  • First draft entered by Alonso del Arte on May 27, 2012
  • Draft reviewed by Daniel Forgues on June 14, 2016
  • Draft approved by May 15, 2013
Yesterday's SOTD * Tomorrow's SOTD

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A004002: Benford numbers:
e ↑↑ n, n   ≥   0,
rounded to nearest integer.
{ 1, 3, 15, 3814279, ... }
These correspond to empty product
1, e = 2.718281..., ee = 15.15426...
and
eee = 3814279.10476...
The next term,
eeee
, is
2.331504399...  ×  10 1656520
.

See also: Knuth’s arrow notation.