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# Proth primes of the form 3•2n+1

 Reserved! This sequence is currently part of Multi Reservation 22: PrimeGrid 321 Prime Search.

## Current data

 k , b : 3 , 2 Type : 3 Count : 50 Nash : 2132 Max n : 18,000,000 Date : 2021-12-02 Reserved : PrimeGrid
 1[1], 2[2], 5[3], 6[4], 8[5], 12[6], 18[7], 30[8], 36[9], 41[10], 66[11], 189[12], 201[13], 209[14], 276[15], 353[16], 408[17], 438[18], 534[19], 2208[20], 2816[21], 3168[22], 3189[23], 3912[24], 20909[25], 34350[26], 42294[27], 42665[28], 44685[29], 48150[30], 54792[31], 55182[32], 59973[33], 80190[34], 157169[35], 213321[36], 303093[37], 362765[38], 382449[39], 709968[40], 801978[41], 916773[42], 1832496[43], 2145353[44], 2291610[45], 2478785[46], 5082306[47], 7033641[48], 10829346[49], 16408818[50]
 Remarks : The sequence A002253 in OEIS

## Notes

1. Is GF Divisor of xGF(0,11,10), Twin n=1
2. Is GF Divisor of xGF(1,7,4) [+4], Twin n=2
3. Is GF Divisor of xGF(4,5,2) [+11]
4. Is GF Divisor of GF(3,3) [+11], Twin n=6
5. Is GF Divisor of xGF(6,3,2) [+13]
6. Is GF Divisor of GF(8,3) [+12]
7. Is GF Divisor of GF(15,3) [+12], Twin n=18
8. Is GF Divisor of GF(26,3) [+12]
9. Is GF Divisor of GF(32,3) [+14]
10. Is GF Divisor of F(38) [+9]
11. Is GF Divisor of GF(63,3) [+14]
12. Is GF Divisor of GF(187,3) [+12]
13. Is GF Divisor of GF(198,3) [+11]
14. Is GF Divisor of F(207) [+19]
15. Is GF Divisor of GF(271,3) [+14]
16. Is GF Divisor of xGF(350,3,2) [+11]
17. Is GF Divisor of GF(403,3) [+14]
18. Is GF Divisor of GF(435,3) [+12]
19. Is GF Divisor of GF(531,3) [+12]
20. Is GF Divisor of GF(2197,3) [+14]
21. Is GF Divisor of xGF(2812,3,2) [+15]
22. Is GF Divisor of GF(3160,3) [+14]
23. Is GF Divisor of GF(3187,3) [+12]
24. Is GF Divisor of GF(3906,3) [+15]
25. Is GF Divisor of xGF(20905,3,2) [+13]
26. Is GF Divisor of GF(34346,3) [+12]
27. Is GF Divisor of GF(42290,3) [+12]
28. Is GF Divisor of xGF(42662,3,2) [+11]
29. Is GF Divisor of GF(44683,3) [+16]
30. Is GF Divisor of GF(48146,3) [+12]
31. Is GF Divisor of GF(54787,3) [+15]
32. Is GF Divisor of GF(55178,3) [+11]
33. Is GF Divisor of GF(59970,3) [+15]
34. Is GF Divisor of GF(80187,3) [+12]
35. Is GF Divisor of F(157167) [+20]
36. Is GF Divisor of F(213319) [+10]
37. Is GF Divisor of F(303088) [+20]
38. Is GF Divisor of xGF(362762,3,2) [+12]
39. Is GF Divisor of F(382447) [+9]
40. Is GF Divisor of GF(709962,3) [+14]
41. Is GF Divisor of GF(801973,3) [+12]
42. Is GF Divisor of GF(916771,3) [+16]
43. Is GF Divisor of GF(1832490,3) [+18]
44. Is GF Divisor of F(2145351) [+19]
45. Is GF Divisor of GF(2291607,3) [+14]
46. Is GF Divisor of F(2478782) [+9]
47. Is GF Divisor of GF(5082303,3) [+14]
48. Is GF Divisor of GF(7033639,3) [+12]
49. Is GF Divisor of GF(10829343,3) [+14]
50. Is GF Divisor of GF(16408814,3) [+12]