seq

Output a sequence of numbers to stdout. More information: https://www.gnu.org/software/coreutils/seq.

• Sequence from 1 to 10:
  seq 10
• Every 3rd number from 5 to 20:
  seq 5 3 20
• Separate the output with a space instead of a newline:
  seq -s " " 5 3 20
• Format output width to a minimum of 4 digits padding with zeros as necessary:
  seq -f "%04g" 5 3 20