excel - Concurrent sum -


Can I add these numbers to the formula? 

  1 2 3 4 5 6

No, I'm not seeing = "yoga (cell ___ 1: cell_6)". You multiply with the "product" - I want to add them. Like "= 1 + 2 + 3 + 4 + 5 + 6", but with just one formula. For example: "Formula Name (6)".

Your mean:

sum = n * (n + 1) / 2 , Where n is the last number in the sequence?


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