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Template:Sequence of the Day for March 27

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Intended for: March 27, 2013

Timetable

  • First draft entered by Alonso del Arte on December 26, 2011
  • Draft reviewed by Daniel Forgues on December 27, 2011 ✓, March 14, 2016 ✓, March 26, 2018
  • Draft approved by Charles R Greathouse IV on March 30, 2012

Yesterday's SOTD * Tomorrow's SOTD

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A202955: Decimal expansion of
π ↑↑ 4   ≡   π π π π
.
90802224553906177697...
This number,
9.080222  ×  10 666262452970848503
, is even larger than
e ↑↑ 4   ≡   eeee
(see A085667), boasting 666262452970848504 (instead of 1656521) digits to the left of the decimal point.

Tetration is the 4th operation (the 3 rd is multiplication, the 2 nd is addition, and the 1st is the successor operation).