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Template:Sequence of the Day for January 8

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Intended for: January 8, 2012

Timetable

  • First draft entered by Alonso del Arte on October 29, 2011
  • Draft reviewed by Daniel Forgues on November 6, 2011
  • Draft to be approved by December 8, 2011
Yesterday's SOTD * Tomorrow's SOTD

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A185086: Fouvry–Iwaniec primes: primes of the form
k  2 + p  2
where
p
is a prime.
{ 5, 13, 29, 41, 53, 61, 73, ... }
These numbers are prime in
but composite in
ℤ[i ]
. In the latter, they are the product of
k + pi
and
k  −  pi
. (See Gaussian integers.)