如何使数组函数从vba excel中的数字创建序列月？

I would like to make some array function to help me create report, suppose I have number=4 then I intend to make it sequence become 1,2,3,4 then lastly those numbers will be converted to "January", "February","March", "April". I've tried to created this function but nothing works.I would like to make some array function to hel