a(n) is the smallest n-gonal pyramidal number with exactly n distinct prime factors.

A358864

a(n) is the smallest n-gonal pyramidal number with exactly n distinct prime factors.

Terms

    a(0) =84a(1) =1785a(2) =299880a(3) =1020510a(4) =8897460a(5) =102612510a(6) =33367223274a(7) =249417828660

External references