What about this instead?

for( my $i = 0; $i < 17; ++$i ) { 
  my $j = $i; 
  printf "%2u: %s\n", $i, join' ', map{ sprintf "%2u", $j = ( $j + 13 
+) % 17 } 0 .. 16;
};


 0: 13  9  5  1 14 10  6  2 15 11  7  3 16 12  8  4  0
 1: 14 10  6  2 15 11  7  3 16 12  8  4  0 13  9  5  1
 2: 15 11  7  3 16 12  8  4  0 13  9  5  1 14 10  6  2
 3: 16 12  8  4  0 13  9  5  1 14 10  6  2 15 11  7  3
 4:  0 13  9  5  1 14 10  6  2 15 11  7  3 16 12  8  4
 5:  1 14 10  6  2 15 11  7  3 16 12  8  4  0 13  9  5
 6:  2 15 11  7  3 16 12  8  4  0 13  9  5  1 14 10  6
 7:  3 16 12  8  4  0 13  9  5  1 14 10  6  2 15 11  7
 8:  4  0 13  9  5  1 14 10  6  2 15 11  7  3 16 12  8
 9:  5  1 14 10  6  2 15 11  7  3 16 12  8  4  0 13  9
10:  6  2 15 11  7  3 16 12  8  4  0 13  9  5  1 14 10
11:  7  3 16 12  8  4  0 13  9  5  1 14 10  6  2 15 11
12:  8  4  0 13  9  5  1 14 10  6  2 15 11  7  3 16 12
13:  9  5  1 14 10  6  2 15 11  7  3 16 12  8  4  0 13
14: 10  6  2 15 11  7  3 16 12  8  4  0 13  9  5  1 14
15: 11  7  3 16 12  8  4  0 13  9  5  1 14 10  6  2 15
16: 12  8  4  0 13  9  5  1 14 10  6  2 15 11  7  3 16

[download]

In reply to Re^5: RFC: Is there a solution to the flaw in my hash mechanism? (And are there any others?) by RichardK
in thread RFC: Is there a solution to the flaw in my hash mechanism? (And are there any others?) by BrowserUk

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