Re^2: Bit manipulation of a bit stream to generate different elements of an array with each nibble taking either 0 or 1 in perl

I think that for each width, he requires only the integers

[2^($width-1) .. 2^$width-1]
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transformed as others have shown.

UPDATE: From the viewpoint of 'permutations', discard all permutations that start with '0'.

Bill

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