Indices of vertex points of the upper convex hull of the squarefree number graph.
A339806
Indices of vertex points of the upper convex hull of the squarefree number graph.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =7a(4) =43a(5) =239a(6) =1663a(7) =9242a(8) =47523a(9) =351115a(10) =2015403a(11) =4026914a(12) =10143015a(13) =72872619a(14) =144151023a(15) =413384223
External references
- oeis: A339806