282533
domain: N
Appears in sequences
- Nonprimes in A078447.at n=20A078877
- Breadth-first reading of the subtree rooted at 5 of the tree where each parent node is the arithmetic derivative (A003415) of all its children.at n=48A327975
- Lesser of 2 successive squarefree semiprimes (k, k+5) sandwiching 4 consecutive nonsquarefree numbers.at n=26A368589