They are assigned sequentially at the time of need.

The vehicle number is sequentially assigned within the series, beginning with 1.

Its call letters have no meaning, being sequentially assigned.

Function arguments were assigned sequentially to fields in the instruction.

The numbers for any given type of equipment are assigned sequentially, thus higher numbers indicate more modern systems.

Although it is designated An-3, this number is not assigned sequentially.

Individual license plate numbers are assigned sequentially in each licensing office.

The structural cases are assigned sequentially, with the direction of assignment depending on which case alignment is the characteristic one for the language in question.

Old Trafford was formerly divided into sections, with each section sequentially assigned a letter of the alphabet.

Each channel in the system is assigned a unique number (01 through 20) and these need not be sequentially assigned.