pseudo-random & slow random ?

[Synthaholic AKA The Shark]

Here is the 'least effort' list I have:

>From a XILINX application note entitled 'Linear Feedback Shift Registers':

 n    XOR Feedback from Outputs
--    --------------------------
 3      3,2
 4      4,3
 5      5,3
 6      6,5
 7      7,6
 8      8,6,5,4
 9      9,5
10      10,7
11      11,9
12      12,6,4,1
13      13,4,3,1
14      14,5,3,1
15      15,14
16      16,15,13,4
17      17,14
18      18,11
19      19,6,2,1
20      20,17
21      21,19
22      22,21
23      23,18
24      24,23,22,17
25      25,22
26      26,6,2,1
27      27,5,2,1
28      28,25
29      29,27
30      30,6,4,1
31      31,28
32      32,22,2,1
33      33,20
34      34,27,2,1
35      35,33
36      36,25
37      37,5,4,3,2,1
38      38,6,5,1
39      39,35
40      40,5,4,3

- Scott Gravenhorst (Synthaholic)

Programming: The Ultimate Computer Game.  Unfortunately, you never win.
Hell: Windows 95, 16 bit apps and Banyan Vines

A Quote: "I didn't do it."     -- Bart Simpson