A Stern number is an odd number which can not be represented in the form:
- $2 a^2 + p$
- $1, 3, 17, 137, 227, 977, 1187, 1493, 5777, 5993$
It is not known whether there are any more.
- Results about Stern numbers can be found here.
Source of Name
This entry was named for Moritz Abraham Stern.
He then went on to investigate odd integers that cannot be represented in the form $2 a^2 + p$ where $a > 0$.