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Evaluate the sum (Posted on 2018-12-01)

252+403+574+...+4606+3640+...+...+7663+8722=S_n

Find the logic beyond the summands in the above equation
and derive the values of n and S_n .

See The Solution Submitted by Ady TZIDON

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re(3): Solution Good thinking, wrong answer

| Comment 4 of 5 |

(In reply to re(2): Solution Good thinking, wrong answer by broll)

a. Duplication is surely the right word!

b. See my edited remark (erasing the "special characters") and provide the corrected expression of a(n)'s formula plus the values of n and the corresponding S(n).

Edited on December 2, 2018, 9:00 am

Posted by Ady TZIDON on 2018-12-02 08:57:50

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