35857

Appears in sequences

• Row 4 of array in A047666.at n=17A047668
• Triangle read by rows: T(n,k) (0 <= k <= floor(n/2)) is the number of Delannoy paths of length n, having k EE's crossing the line y = x (i.e., two consecutive E steps from the line y = x+1 to the line y = x-1).at n=33A110121
• Number of subsets of {1, 2, ..., n} such that the sum of the reciprocals is strictly less than 1.at n=18A305442