43868
domain: N
Appears in sequences
- Numbers such that harmonic mean of digits is 5.at n=27A062183
- Let spm(n) be the sum of all prime factors of n counted with multiplicities (A001414); sequence gives numbers n such that spm(n+spm(n)) divides both n and n+spm(n).at n=20A131564
- Number of 5-step E, S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=16A187588
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 141", based on the 5-celled von Neumann neighborhood.at n=40A270284
- Triangle read by rows: T(n,k) is the number of strongly connected oriented graphs on n unlabeled nodes with k arcs, n >= 1, k = 0..n*(n-1)/2.at n=59A350750