Provided by: nauty_2.8.9+ds-1_amd64 

NAME
nauty-countneg - count graphs by number of vertices and/or number of edges
SYNOPSIS
countneg [-ne] [infile]
DESCRIPTION
Count graphs by number of vertices and/or number of edges
-n Count by vertices
-e Count by edges
Default and -ne are to count by both
-q Suppress auxiliary output.
Use countg instead if incremental inputs are present.
nauty 2.8.9 September 2024 NAUTY-COUNTNEG(1)