Sum of consequent numbers

Hi!

I am trying to achieve a sum of values.

Example:

1st List i have:
1
2
3

2nd List:
100

I want 100 + 1 = 101. And the result I sum with 2 from the 1st list. So it would be 103. And the next one would be 103 + 3. Is there any way to do it in dynamo?

Use formula like n(n+1)… Or a(a+b)

I did not tried…I will try when I get my PC.

@flavia.sayuri Try this using the OOTB nodes

or this using Lunchbox Package

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Thank you!

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