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Generalized Woodall primes of the form n•9n-1

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Current data

Base : 9
Count : 6
Max n : 975,000
Date :
10[1], 58[2], 264[3], 1568[4], 4198[5], 24500[6]
Remarks :
The sequence A242202 in OEIS

Notes

  1. 10•320-1
  2. 58•3116-1
  3. 88•3529-1
  4. 1568•33136-1
  5. 4198•38396-1
  6. 24500•349000-1

History