2147321017

Appears in sequences

• Number of ways to cover an n-set.at n=5A003465
• Number of partitions of n into distinct positive parts <= n, with parts combined by IOR (inclusive or).at n=30A054244
• Number of partitions of n into distinct positive parts <= n, with parts combined by IOR (inclusive or).at n=46A054244
• Triangle read by rows: T(n,k) is the number of hypergraphs on n labeled nodes that have exactly k isolated points, n>=0, 0<=k<=n.at n=15A285641