# Category:Euler Numbers

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This category contains results about **Euler Numbers**.

Definitions specific to this category can be found in Definitions/Euler Numbers.

The **Euler Numbers** $E_n$ are a sequence of integers defined by the exponential generating function:

- $\ds \sech x = \frac {2 e^x} {e^{2 x} + 1} = \sum_{n \mathop = 0}^\infty \frac {E_n x^n} {n!}$

where $\size x < \dfrac \pi 2$.

## Subcategories

This category has only the following subcategory.

## Pages in category "Euler Numbers"

The following 8 pages are in this category, out of 8 total.