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Generalized Woodall primes of the form n•81n-1

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Current data

Base : 81
Count : 5
Max n : 400,000
Date : ?
2[1], 20[2], 270[3], 508[4], 18248[5]

Notes

  1. ↑ Riesel 2•38-1
  2. ↑ Riesel 20•380-1
  3. ↑ Riesel 10•31083-1
  4. ↑ Riesel 508•32032-1
  5. ↑ Riesel 18248•372992-1

History

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