81276

Appears in sequences

• Numbers k such that k^2 is palindromic in base 5.at n=27A029988
• Number of 3-covers of an unlabeled n-set.at n=21A055195
• a(n) = A057641(A094348(n)).at n=36A181852
• 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=28A214503
• 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 5, n >= 2.at n=35A214563
• Conjectured lower bounds for the Riemann hypothesis function floor(H(k) + exp(H(k))*log(H(k))) - sigma(k).at n=26A222761
• Number of distinct products of distinct factorials up to n!.at n=19A255937