Challenging Arithmetic Series

Algebra Level pending

For p = 1 , 2 , , 10 p=1,2,…,10 , let S p S_p be the sum of the first 40 40 terms of the arithmetic progression whose first term is p p and whose common difference is 2 p 1 2p-1 . What is S 1 + S 2 + + S 10 S_1+S_2+\cdots+S_{10} ?

80200 80600 80000 80400

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