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S.o.S is S (Posted on 2017-04-03) Difficulty: 2 of 5
Sum of how many squares of successive positive integers is a square number?

Surprisingly enough, trivial answer discounted, only one number qualifies!

No Solution Yet Submitted by Ady TZIDON    
Rating: 2.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Some Thoughts re: Cannonball! Comment 6 of 6 |
(In reply to Cannonball! by Brian Smith)

a.  You are right.  My original intention was re sequence beginning with 1 and the proper beginning should have been   "Consider the series   1^2+2^2+... n^2.      "  My bad.

b. Your formula lacks  /6    on the right side of the equation. Please edit.

c. Never heard of  "Cannonball" problem, will look it up. Tnx.

  Posted by Ady TZIDON on 2017-04-04 00:17:29
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