Creating a List in which Each Number is the Sum of the Previous N Numbers

Problem:

We want to create a sequence of numbers where each member of the sequence is the sum of the previous N number of values.

Solution:

Use the SUM, OFFSET, INDIRECT, ADDRESS, ROW, and COLUMN functions as shown in the following formula:
=SUM(OFFSET(INDIRECT(ADDRESS(ROW(),COLUMN())),0,-1,1,-2))

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