1,000,000
* * * * *
The 1st and 500th sum to (2*1-1)+(2*500-1) = 2*501 - 2 = 1000
The 2nd and 499th sum to (2*2-1)+(2*499-1) = 2*501 - 2 = 1000
There are 250 such sums
So sum of all 500 odd numbers = 250*1000 = 250,000
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the sum of first 50 consecutive odd numbers is 9801
The sum of the first 60 consecutive odd numbers is 3,600.
The sum of the first 600 consecutive odd numbers is 360,000.
The sum of the first 60 consecutive odd numbers is 3,600.
The sum of the first 250 consecutive odd numbers is 250 squared or 62,500.