91007

Appears in sequences

• Number of binary [ n,4 ] codes of dimension <= 4 without zero columns.at n=19A034338
• a(n) = the denominator of the continued fraction [[n/1];[n/2],[n/3],..,[n/n]], where [x] is floor(x).at n=14A128600
• Triangle read by rows: T(n,k) is the number of regions between the free polyominoes, with n cells and length k, and their bounding boxes, n >= 1, k >= 1.at n=71A380284