[Jprogramming] product over question

[davidvj at verizon.net]

     2&*/\0 0 1 1 1 1 0 1 1 0 1 1
0 0 1 2 4 8 0 16 32 0 64 128

I was rather expecting .. and wanted:
0 0 1 2 4 8 0 1 2 0 1 2

Why does product-over not fully start again from the zero in this situation.

Thanks

David