Unswop the pairs of numbers to bring back the magic

In squares of this type, containing a consecutive sequence 1 to ?, the magical expression to produce the constant is always (n3+n) divided by 2. So in our...

In squares of this type, containing a consecutive sequence 1 to ?, the magical expression to produce the constant is always (n3+n) divided by 2. So in our 4x4 square, the expression gives 64+4=68, 68/2=34 for the constant. The two pairs swopped over were 14 & 9, and 13 & 5. The original square was thus:

PuzzlerA

Please post all Puzzler enquiries and contributions to:

Jim Howson

5 Hilltop Gardens

Dartford

Kent DA1 5JF

Return to the homepage>>

This was last published in October 2006

CW+

Features

Enjoy the benefits of CW+ membership, learn more and join.

Read more on IT strategy

Start the conversation

Send me notifications when other members comment.

By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

Please create a username to comment.

-ADS BY GOOGLE

SearchCIO

SearchSecurity

SearchNetworking

SearchDataCenter

SearchDataManagement

Close