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Riesel primes of the form 3•2n-1

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

Current data

k , b : 3 , 2
Type : 3
Count : 66
Nash : 2976
Max n : 20,250,000
Date : 2023-07-06
Reserved : PrimeGridPrimeGrid/Reserved
1[1], 2[2], 3[3], 4[4], 6[5], 7[6], 11, 18[7], 34[8], 38[9], 43[10], 55[11], 64[12], 76[13], 94[14], 103[15], 143, 206[16], 216[17], 306[18], 324[19], 391[20], 458[21], 470[22], 827, 1274[23], 3276[24], 4204[25], 5134[26], 7559, 12676[27], 14898[28], 18123, 18819, 25690[29], 26459, 41628[30], 51387, 71783, 80330[31], 85687, 88171, 97063, 123630[32], 155930[33], 164987, 234760[34], 414840[35], 584995, 702038[36], 727699, 992700[37], 1201046[38], 1232255, 2312734[39], 3136255, 4235414[40], 6090515, 11484018[41], 11731850[42], 11895718[43], 16819291, 17748034[44], 18196595, 18924988[45], 20928756[46]
Remarks :
The sequence A002235 in OEIS
See also Williams 3•4n-1

Notes

History