22762

Appears in sequences

• a(n) = n*(3*n^2 + 6*n + 1).at n=19A196507
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 126", based on the 5-celled von Neumann neighborhood.at n=43A270215
• a(n) = n * (7*binomial(n, 2) + 1).at n=19A329530
• Numbers that cannot be expressed as the sum of one or more numbers without any repeated digits.at n=28A342080
• Triangle read by rows: T(n,k) gives the number of permutations of length n containing exactly k instances of the 1-box pattern; 0 <= k <= n.at n=50A346462
• Number of subgraphs of the directed square lattice with n vertices and all vertices reachable from the origin.at n=10A353028
• The number of perimeter-magic pentagons of order 3 with magic sum n.at n=15A380963