Proth primes of the form 15•2ⁿ+1

Reserved! This sequence is currently part of Multi Reservation 20: Riesel problem 3.

Current data

`k` , `b` :	15 , {{{Pb}}}
Type :	315
Count :	58
Nash :	2873
Max `n` :	2,000,000
Date :	2024-09-06
Reserved :	Alexander JonesAlexander Jones/Reserved

1^[1], 2^[2], 4^[3], 9, 10^[4], 12, 27, 37, 38, 44, 48, 78, 112, 168, 229, 297, 339, 517, 522, 654, 900, 1518, 2808, 2875, 3128, 3888, 4410, 6804, 7050, 7392, 19219, 21445, 21550, 24105, 24995, 34224, 34260, 43388, 48444, 61758, 184290, 294894, 300488, 403929, 483098, 635989, 701902, 734400, 1229600, 1244377, 1276177, 1368428, 1418605, 1597510, 1667744, 2393365, 7300254^[5], 7619838^[6]

[[Category:Proth {{{Pb}}}|#.....00015]][[Category:Proth {{{Pb}}} Missing-range|#.....00015]]

2020-12-24: Found n = 7619838, PrimeGrid Fermat Divisor Search
2020-10-25: Found n = 7300254, Robert Gelhar, PrimeGrid Fermat Divisor Search