I've stumbled across a very peculiar number sequence and it was bugging me for a while now, i would really like to find out a way to dissect and work out the number that is missing, here's the sequence:
$1010, 1001, 111, 100, ?, 111, 10, 110$
I've tried multitude of algorithms under decimal, hex, octal or binary representations of this sequence but to no avail. I'm starting to wonder if this is a trick question or not.
Help of any form is greatly appreciated.