Use of a Conditional Base Number System for Encoding Sequences of Correlated Characters A procedure is described for the relatively efficient encoding of sequences of characters which have predecessor-successor selection rules. The procedure is shown to assign a unique integer to each sequence and to generate a reasonably compact set of values. CACM April, 1965 Brown, R. M. CA650412 JB March 7, 1978 3:42 PM 1279 5 1279 1279 5 1279 1279 5 1279