107779domain: NAppears in sequencesNumbers k such that the period of the continued fraction for sqrt(k) contains exactly 65 ones.at n=7A031833Number of ways to tile an n X 1 strip with 1 X 1 squares and 2 X 1 dominoes with the restriction that no three consecutive tiles are of the same type.at n=36A137200Haiku numbers.at n=25A321235