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Difference between revisions of "Cullen prime 4"

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m (small)
(completed a reservation)
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{{Cullen prime
 
{{Cullen prime
 
|CuBase=4
 
|CuBase=4
−
|CuMaxn=250000
+
|CuMaxn=500000
−
|CuDate=2023-04-28
+
|CuDate=2023-05-28
−
|CuReserved=Mark Rodenkirch
+
|CuReserved=
 
|CuNlist=
 
|CuNlist=
 
1;C:{{NPr|2}}
 
1;C:{{NPr|2}}
Line 21: Line 21:
 
}}
 
}}
 
==History==
 
==History==
 +
{{HistC|2023-05-28|500000|Mark Rodenkirch|631405}}
 
{{HistR|2023-04-28|Mark Rodenkirch|629610}} to {{Vn}}=500000
 
{{HistR|2023-04-28|Mark Rodenkirch|629610}} to {{Vn}}=500000
 
{{HistC|2023-04-23|2-100000|Mark Rodenkirch}}, double-checked
 
{{HistC|2023-04-23|2-100000|Mark Rodenkirch}}, double-checked

Revision as of 18:08, 31 May 2023

Current data

ASCII format : n*4^n+1
Base : 4
Count : 13
Max n : 500,000
Date : 2023-05-28
1[1], 3[2], 7[3], 33[4], 67[5], 223[6], 663[7], 912[8], 1383[9], 3777[10], 3972[11], 10669[12], 48375[13]
Remarks :
The sequence A007646 in OEIS

Notes

  1. ↑ Proth 22+1
  2. ↑ Proth 3•26+1
  3. ↑ Proth 7•214+1
  4. ↑ Proth 33•266+1
  5. ↑ Proth 67•2134+1
  6. ↑ Proth 223•2446+1
  7. ↑ Proth 663•21326+1
  8. ↑ Proth 57•21828+1
  9. ↑ Proth 1383•22766+1
  10. ↑ Proth 3777•27554+1
  11. ↑ Proth 993•27946+1
  12. ↑ Proth 10669•221338+1
  13. ↑ Proth 48375•296750+1

History

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