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Generalized Woodall primes of the form n•3n-1

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Current data

Base : 3
Count : 25
Max n : 1,200,000
Date : 2015
1, 2[1], 6[2], 10, 18[3], 40, 46, 86, 118, 170, 1172, 1698[4], 1810, 2268[5], 4338[6], 18362, 72662, 88392[7], 94110[8], 161538[9], 168660[10], 292340, 401208[11], 560750, 1035092
Remarks :
The sequence A006553 in OEIS

Notes

  1. ↑ Twin n=2, Riesel 2•32-1
  2. ↑ Riesel 2•37-1
  3. ↑ Riesel 2•320-1
  4. ↑ Riesel 566•31699-1
  5. ↑ Riesel 28•32272-1
  6. ↑ Riesel 482•34340-1
  7. ↑ Riesel 29464•388393-1
  8. ↑ Riesel 31370•394110-1
  9. ↑ Riesel 53846•3161539-1
  10. ↑ Riesel 18740•3168662-1
  11. ↑ Riesel 133736•3401209-1

History

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