21:30 choroba@still ~ $ perl -E 'say "\n", 2 * $_ for 1 .. 10' | sed -ne '10,15p;5p'

10

12

14

21:31 choroba@still ~ $ perl -E 'say "\n", 2 * $_ for 1 .. 10' | sed -ne '/^$/d;10,15p;5p'
10
12
14
21:31 choroba@still ~ $ type sed
sed is /bin/sed
21:31 choroba@still ~ $ rpm -q sed
sed-4.2.2-5.1.2.x86_64