458850

Appears in sequences

• Numbers k such that sopfr(k) = ud(k), where sopfr = A001414 and ud = A034444.at n=9A064029
• Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths incorporating each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 7, n >= 2.at n=39A214503
• Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths incorporating each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 6, n >= 2.at n=43A214601
• a(n) = 840*(2*n)!/((n + 4)!*n!).at n=14A348893