a(n) is the index of the smallest n-gonal number with exactly n distinct prime factors.
A358321
a(n) is the index of the smallest n-gonal number with exactly n distinct prime factors.
Terms
- a(0) =11a(1) =210a(2) =87a(3) =228a(4) =1155a(5) =7854a(6) =66612a(7) =395646a(8) =2193303a(9) =8389010a(10) =122574155a(11) =630341910a(12) =6066475415
External references
- oeis: A358321