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Near Generalized Cullen primes of the form (n+1)•2n+1

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Current data

Base : 2
Count : 29
Max n : 2,000,000
Date : 2014-11-12
2[1], 5[2], 6[3], 13[4], 26[5], 65[6], 66[7], 86[8], 114[9], 133[10], 186[11], 294[12], 445[13], 866[14], 1325[15], 1478[16], 1823[17], 2765[18], 7553[19], 7943[20], 10178[21], 20960[22], 20964[23], 21337[24], 26562[25], 85374[26], 96749[27], 247038[28], 709946[29]

Notes

History