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Generalized Woodall primes of the form n•4n-1

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Current data

Base : 4
Count : 21
Max n : 2,000,000
Date : 2015
1[1], 2[2], 3[3], 5[4], 8[5], 14[6], 23[7], 63[8], 107[9], 132[10], 428[11], 530[12], 1137[13], 1973[14], 2000[15], 7064[16], 20747[17], 79574[18], 113570[19], 293912[20], 1993191[21]
Remarks :
The sequence A086661 in OEIS

Notes

History