My question is in the below of this.?

write a function creat a arithmetic sequence that promts a user to input 2 #'s.first n different, then creats a one dimebsional arrayof 16 elements order in arithmetic sequence.it also outputs the arithmetic sequence for example: if first=21;diff=5 the arithmetic sequence is:21,26,31,36,41,46,51,56,61,66,71,76,8… plzzzzzz help me... im begging you all!!!! plzzzzzzz