Table read by ascending antidiagonals: n-th row of table consists of the positive integers divisible by exactly n distinct primes.

A125666

Table read by ascending antidiagonals: n-th row of table consists of the positive integers divisible by exactly n distinct primes.

Terms

    a(0) =2a(1) =6a(2) =3a(3) =30a(4) =10a(5) =4a(6) =210a(7) =42a(8) =12a(9) =5a(10) =2310a(11) =330a(12) =60a(13) =14a(14) =7a(15) =30030a(16) =2730a(17) =390a(18) =66a(19) =15a(20) =8a(21) =510510a(22) =39270a(23) =3570a(24) =420a(25) =70a(26) =18a(27) =9a(28) =9699690a(29) =570570

External references