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Proth primes of the form 8•3n+1

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Current data

k , b : 8 , 3
Count : 23
Nash : 2226
Max n : 1,250,000
Date : 2020-08-08
2[1], 7[2], 8[3], 10[4], 22[5], 52[6], 58[7], 76[8], 130[9], 143, 331, 332[10], 980[11], 1282[12], 1655, 4031, 4600[13], 18880[14], 89482[15], 130592[16], 323860[17], 872171, 1172480[18]
Remarks :
The sequence A005538 in OEIS
For additional even n history, see Williams 8•9n+1

Notes

History