Generalized Cullen primes of the form n•4n+1

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Reserved! This sequence is currently reserved by: Bryan Koen

Current data

Base : 4
Count : 13
Max n : 250,000
Date : 2018-08-14
Reserved : Bryan KoenBryan Koen/Reserved
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. 22+1
  2. 3•26+1
  3. 7•214+1
  4. 33•266+1
  5. 67•2134+1
  6. 223•2446+1
  7. 663•21326+1
  8. 57•21828+1
  9. 1383•22766+1
  10. 3777•27554+1
  11. 993•27946+1
  12. 10669•221338+1
  13. 48375•296750+1

History