Definition:Cullen Number/Sequence

Sequence

The sequence of Cullen numbers begins:

$1, 3, 9, 25, 65, 161, 385, \ldots$

corresponding to $n = 0, 1, 2, 3, \ldots$

This sequence is A002064 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).

Sources

• Weisstein, Eric W. "Cullen Number." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CullenNumber.html