a(n) is the first term in a chain of at least n consecutive numbers, each having exactly m = 5 distinct prime factors.

A087978

a(n) is the first term in a chain of at least n consecutive numbers, each having exactly m = 5 distinct prime factors.

Terms

    a(0) =2310a(1) =254540a(2) =1042404a(3) =21871365a(4) =129963314a(5) =830692265a(6) =4617927894a(7) =18297409143a(8) =41268813542a(9) =287980277114

External references