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Proth numbers of the form k•2n+1 with no prime value so far

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Proth numbers k•2n+1 where no prime values are known.

Table

There are 12 sequences in this Wiki:

k Nash Max n
21181 169 32698000
22699 69 32698000
24737 174 32698000
55459 242 32698000
67607 56 32698000
79309 56 23890000
79817 146 23890000
152267 92 23890000
156511 58 23890000
222113 248 23890000
225931 124 23890000
237019 155 23890000
Proth primes