Well I'm doing 200000 to 210000 for all kwith B1=600000 and B2 will probably go to 100*B1 (just getting B1 there on all of them first).
Found 5 so far, most notably:-
111430207063079 | 2^202471+1
That's only 111T for a very low n! Was this previously missed?
p-1 = 2 * 17 * 19 * 360953 * 477881