Some trials with lfsr.

lfsr.py

#!/usr/bin/env python

import sys, time

id = 1234567890
lfsr = 0xDEADBEEF

def lfsrN(lfsr, count):
    #0b10101010101
    #0x80000417, 0b10000000 00000000 0000 0100 0001 0111
    for n in range(1, count):
        # To check.. Is it reeaaaly correct ?
        bit  = ((lfsr >> 0) ^ (lfsr >> 1) ^ (lfsr >> 2) ^ (lfsr >> 4) ^ (lfsr >> 10) ^ (lfsr >> 31)) & 1;
        lfsr = (lfsr >> 1) | ((((lfsr >> 31) ^ bit) & 1) << 31)
    return lfsr

# python lfsr.py> /tmp/x; gnuplot -p -e "plot for [col=2:3] '/tmp/x' using col title columnheader"

print 'i r band'
for n in range(1, 500):
    lfsr = lfsrN((id+lfsr+n) & 0xFFFFFFFF, 32);
    # lfsr = (id+lfsr+n) & 0xFFFFFFFF
    prn = lfsr & 0xFF
    print n, prn, 100+(prn % 51)