The Petersen graph is a graph with 10 vertices and 15 edges, usually drawn as a pentagram within a pentagon.
A data frame with 15 observations and 2 columns.
J. Petersen Sur la théorème de Tait. L'Intermédiare des Math. 5, 225-227.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.