SOLUTION: What is the sum of all consecutive odd integers between 1 and 5000?

Question 14034: What is the sum of all consecutive odd integers between 1 and 5000?
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
You can use the formula for the partial sum:

Where: n = the number of terms = 2500 (because there are 2500 odd integers between 1 and 5000)
a1 = the first term (That's 1)
an = the last (odd) term (That's 4999)

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