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Generalized Cullen primes of the form n•3n+1

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Reserved! This sequence is currently reserved by: Mark Rodenkirch

Current data

Base : 3
Count : 14
Max n : 1,200,000
Date : 2023-07-03
Reserved : Mark RodenkirchMark Rodenkirch/Reserved
2, 8, 32, 54[1], 114[2], 414[3], 1400, 1850, 2848, 4874, 7268, 19290[4], 337590[5], 1183414
Remarks :
The sequence A006552 in OEIS

Notes

History