Creating list of number

i need to ask…
i have to make a wordlist but if different than other wordlists.

i need to calculate a specific numbers.

the -USER- is numbers & the -Pass- also numbers.

i need a software or script or i trick that calculate automatically the numbers without making them manually

the calculation of server is work like that
for example.

-PASS-
(( + 16 + 16 + 16 + 10 + 16 + 10 ))
and he repeat it again (( + 16 + 16 + 16 + 10 + 16 + 10 ))


Explained example:

USER : PaSS
100200 : 120800

For example:

100200:120800
100300:120816
100400:120832
100500:120848
100600:120858
100700:120874
100800:120890
100900:120900
101000:120916
101100:120932

and still like that
Who can help me to calculate only the pass ??
the user i can make it manually, but i need something help me to make to me a list of regular numbers

i need a script or soft or in excel if this calculation founded.
i give him the PASS and he start counting from that number that i will give him . and he add +16 +16 +16 +10 +16 +10 — and he repeat it again… until i stop it
or in excel or script python or anything ???

Is there any help???