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Proth primes of the form 3•2n+1

 Reserved! This sequence is currently reserved by: PrimeGrid

Current data

 k-value : 3 3 Count : 50 Nash : 2132 Max n : 16,270,000 Date : 2020-10-29 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. Twin n=1
2. Twin n=2
3. Divides: GF(3,12)
4. Twin n=6, Divides: GF(3,3)
5. Divides: GF(6,5), GF(5,12)
6. Divides: GF(8,3)
7. Twin n=18, Divides: GF(15,3), GF(17,5)
8. Divides: GF(26,3)
9. Divides: GF(32,3)
10. Divides: F(38), GF(38,3), GF(35,6), GF(38,12)
11. Divides: GF(63,3), GF(65,5)
12. Divides: GF(187,3), GF(188,5)
13. Divides: GF(198,3)
14. Is GF Divisor of F(207), ...
15. Divides: GF(271,3)
16. Divides: GF(351,12)
17. Divides: GF(403,3), GF(406,5)
18. Divides: GF(435,3)
19. Divides: GF(531,3)
20. Divides: GF(2197,3), GF(2206,5)
21. Divides: GF(2804,5), GF(2811,12)
22. Divides: GF(3160,3), GF(3162,5)
23. Divides: GF(3187,3)
24. Divides: GF(3906,3), GF(3910,5)
25. Divides: GF(20908,5), GF(20906,12)
26. Divides: GF(34346,3)
27. Divides: GF(42290,3)
28. Divides: GF(42663,12)
29. Divides: GF(44683,3), GF(44684,10)
30. Divides: GF(48146,3)
31. Divides: GF(54787,3), GF(54786,5)
32. Divides: GF(55178,3)
33. Divides: GF(59970,3), GF(59972,5)
34. Divides: GF(80187,3)
35. Divides: F(157167), GF(157167,3), GF(157168,5), GF(157163,6), GF(157168,10), GF(157167,12)
36. Divides: F(213319), GF(213319,5), GF(213316,6), GF(213319,12)
37. Divides: F(303088), GF(303088,3), GF(303092,5), GF(303086,6), GF(303092,10), GF(303088,12)
38. Divides: GF(362764,10), GF(362763,12)
39. Divides: F(382447), GF(382447,3), GF(382443,6), GF(382447,12)
40. Divides: GF(709962,3), GF(709963,5)
41. Divides: GF(801973,3), GF(801977,5)
42. Divides: GF(916771,3) GF(916772,10)
43. Divides: GF(1832490,3), GF(1832494,5)
44. Divides: F(2145351), GF(2145351,3), GF(2145352,5), GF(2145348,6), GF(2145352,10), GF(2145351,12)
45. Divides: GF(2291607,3), GF(2291609,5)
46. Divides: F(2478782), GF(2478782,3), GF(2478776,6), GF(2478782,12)
47. Divides: GF(5082303,3), GF(5082305,5), GF(5082304,8), GF(5082305,11)
48. Divides: GF(7033639,3)
49. Divides GF(10829343,3), GF(10829345,5),GF(10829344,8), GF(10829345,11)
50. Is GF Divisor of GF(16408814,3), ...