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Proth primes of the form 23•2n+1

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Current data

k , b : 23 , 2
Type : Low
Count : 19
Nash : 826
Max n : 9,000,000
Date : 2021-04-01
1, 9[1], 13, 29[2], 41[3], 49[4], 69[5], 73, 341[6], 381[7], 389[8], 649[9], 1961[10], 3929[11], 977541[12], 1399841, 1448461[13], 2425641[14], 4300741[15]
Remarks :
The sequence A032361 in OEIS

Notes

History