297528

Appears in sequences

• Number of (n+2) X 4 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=18A202196
• Triangular array read by rows: T(n,k) is the number of forests of rooted trees on n labeled nodes with exactly k isolated nodes; n>=0, 0<=k<=n.at n=38A219034
• Number of orbits of Aut(Z^7) as function of the infinity norm n of the representative lattice point of the orbit, when the cardinality of the orbit is equal to 322560.at n=24A266387