72310

Appears in sequences

• Total sum of maximum block sizes in all partitions of n-set.at n=8A097148
• Even numbers of the form floor( binomial(2k, 2j)/binomial(k, j)).at n=21A111304
• Number T(n,k) of entries in the k-th blocks of all set partitions of [n] when blocks are ordered by decreasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows.at n=36A319375