82942
domain: N
Appears in sequences
- a(n) = sum of all divisors of all numbers k such that n^2 <= k < (n+1)^2.at n=28A168012
- 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=23A214503
- 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=42A214563
- Binomial transform of A023871.at n=9A294530
- Number of nX3 0..1 arrays with every element unequal to 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=11A316171