85503

Appears in sequences

• Number of connected 2-element antichains on a labeled n-set.at n=11A094033
• Triangle read by rows: T(n, k) = (k+1)*S2(n+1, k+1), for n >= k >= 0, and S2 = A048993 (Stirling2).at n=57A321331
• Start of runs of increasing length of consecutive numbers having their Hamming weight A000120 as a substring when both are written in binary.at n=6A343610
• Number of integer partitions of n of length > 2 whose second differences have median 0.at n=46A360682