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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 42252000
22699 69 42252000
24737 174 42252000
55459 242 42252000
67607 56 42252000
79309 56 35910000
79817 146 35910000
152267 92 35910000
156511 58 35910000
222113 248 35910000
225931 124 35910000
237019 155 35910000
Proth primes