140223

Appears in sequences

• Number of binary strings of length n with equal numbers of 000 and 101 substrings.at n=20A164140
• a(n) is the number of multisets of integers that are possible to reach by starting with n occurrences of 0 and by splitting. Splitting is taking 2 occurrences of the same integer and incrementing one of them by 1 and decrementing the other occurrence by 1.at n=16A347913