47245

Appears in sequences

• Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly four ways.at n=9A076457
• Total number of parts smaller than the largest part, in all partitions of n.at n=29A116686
• Number T(n,k) of entries in the k-th blocks of all set partitions of [n] when blocks are ordered by increasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows.at n=39A319298
• Number of entries in the fourth blocks of all set partitions of [n] when blocks are ordered by increasing lengths.at n=5A332944