Question: Simple Maple questions " help needed "

1) -How do i write a " do " loop to store the sequence [1, 5 , 10 , 15 , 20] in a 1-dimensional array in maple ??

and one more question please

2)-how do i write a pair of nested " do" loops to store the following 4x4 array in Maple :

1      3        9       27
2      6       18      54
3      9       27      81
4     12      36     108


I would really appreciate any help in those questions

thanks in advance

 

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