Posted by
**Anonymous** on
.

How many strings of length 13 can be formed from 9 1's, two ('s and two )'s such that the substring () never occurs, and for k=1,2, we see k('s before k)'s?

Sunday

March 26, 2017
Posted by
**Anonymous** on
.

How many strings of length 13 can be formed from 9 1's, two ('s and two )'s such that the substring () never occurs, and for k=1,2, we see k('s before k)'s?

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