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Magic squares of doubly even order: Difference between revisions

Magic squares of doubly even order (view source)

Revision as of 15:58, 9 December 2016

2 bytes removed ,  7 years ago
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A magic one-liner:
<lang parigp>magicsquare(n)={matrix(n,n,i,j,k=i+j*n-n;if(bitand(38505,2^((j-1)%4*4+(i-1)%4)),k,n*n+1-k))}</lang>
 
Output:<pre>magicsquare(8)
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