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Proth primes of the form 13•2n+1

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Current data

k , b : 13 , 2
Type : Low
Count : 28
Nash : 920
Max n : 9,000,000
Date : 2023-10-11
2[1], 8[2], 10[3], 20[4], 28[5], 82[6], 188[7], 308[8], 316[9], 1000[10], 28280[11], 38008[12], 43856[13], 88018[14], 109258[15], 114296[16], 521306[17], 562456[18], 684560[19], 1038896[20], 1499876[21], 1861732[22], 4998362[23], 5523860[24], 6481780[25], 8989858[26], 15294536[27], 16828072[28]
Remarks :
The sequence A032356 in OEIS

Notes

History