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)