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Proth numbers of the form k•2n+1 with k mod 15 = 0

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Proth numbers k•2n+1 where k-value is a multiple of 15.

The column "Index" contains the index of the k-value: [math]\displaystyle{ Index\ =\ {k\ +\ 15 \over 30} }[/math]

See also

Table

There are 21 sequences in this Wiki:

k Index Count Nash Max n
15 1 65 2873 9000000
45 2 57 2581 9000000
165 6 110 5158 5570000
255 9 67 2629 5570000
345 12 92 4308 5000000
435 15 95 4603 4500000
555 19 102 4497 4500000
615 21 64 2908 4000000
765 26 87 4734 3640000
915 31 54 2802 3640000
1065 36 80 4065 3640000
1575 53 72 4003 2000000
3375 113 48 2702 3486000
4665 156 55 2280 2000000
5505 184 57 3173 2000000
15735 525 35 2954 50000
48495 1617 51 3088 1200000
67275 2243 25 3481 1000
2441205 81374 106 6132 500000
314159265 10471976 57 466 314159
577294575 19243153 144 6655 50000
Proth primes