A028832 Number of distinct integers in period of continued fraction for sqrt(n), or 0 if n = square.

0, 1, 2, 0, 1, 2, 2, 2, 0, 1, 2, 2, 2, 3, 2, 0, 1, 2, 4, 2, 3, 4, 3, 2, 0, 1, 2, 3, 3, 2, 4, 2, 3, 3, 2, 0, 1, 2, 2, 2, 2, 2, 4, 3, 3, 5, 3, 2, 0, 1, 2, 4, 3, 4, 2, 2, 3, 2, 4, 3, 5, 3, 2, 0, 1, 2, 5, 2, 4, 3, 4, 2, 3, 2, 2, 5, 4, 3, 3, 2, 0, 1, 2, 2, 3, 4, 2, 3, 3, 2, 3, 4, 4, 6, 3, 3, 3, 3, 2, 0, 1, 2