home>for i in {307,306,311} ; do echo $i; done
output:
307
306
311
home> for i in {307,306,311} {374..376} ; do echo $i; done
output:
307
306
311
374
375
376
output:
307
306
311
home> for i in {307,306,311} {374..376} ; do echo $i; done
output:
307
306
311
374
375
376