Definition:Thabit Prime/Sequence

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Definition

The sequence of Thabit primes begins:

$2, 5, 11, 23, 47, 191, 383, 6143, 786 \, 431, 51 \, 539 \, 607 \, 551, \ldots$

This sequence is A007505 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).


These correspond to the following values of $n$ in their generating expression $3 \times 2^n - 1$:

$0, 1, 2, 3, 4, 6, 7, 11, 18, 34, 38, 43, 55, 64, 76, \ldots$

This sequence is A002235 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).




Sources