25660

Appears in sequences

• Sum over all partitions of n of the number of distinct parts i of multiplicity i.at n=43A276428
• Wiener index of the n X n knight graph.at n=7A292054
• Number of partitions of [n] whose blocks can be ordered such that the i-th block has at least i elements and no block j > i has an element smaller than the i-th smallest element of block i.at n=12A362893