Definition:Cullen Prime/Sequence

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Sequence

The sequence $\left\langle{n}\right\rangle$ for which $n \times 2^n + 1$ is a prime number begins:

$1, 141, 4713, 5795, 6611, 18496, 32292, 32469, 59656, 90825, \ldots$

This sequence is A005849 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).


Sources