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

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Current data

ASCII format : n*3^n+1
Base : 3
Count : 17
Max n : 5,000,000
Date : 2023-12-25
2[1], 8[2], 32[3], 54[4], 114[5], 414[6], 1400[7], 1850[8], 2848[9], 4874[10], 7268[11], 19290[12], 337590[13], 1183414[14], 1308596[15], 2220172[16], 9145334[17]
Remarks :
The sequence A006552 in OEIS
See early history at Generalized Cullen primes

Notes

History