Woodall number
A Woodall number is a number of the form , where is an integer. It is believed that almost all Woodall numbers are composite. The first few Woodall numbers are 1, 7, 23, 63, 159, 383, 895, 2047, 4607 (listed in A003261 of Sloane’s OEIS). Though having some things in common with the Cullen numbers, no Woodall number is a Proth number.
Title | Woodall number |
---|---|
Canonical name | WoodallNumber |
Date of creation | 2013-03-22 17:44:18 |
Last modified on | 2013-03-22 17:44:18 |
Owner | PrimeFan (13766) |
Last modified by | PrimeFan (13766) |
Numerical id | 5 |
Author | PrimeFan (13766) |
Entry type | Definition |
Classification | msc 11A51 |
Related topic | CullenNumber |