Triangle read by rows in which row n contains first n numbers with exactly n distinct prime factors.

A048692

Triangle read by rows in which row n contains first n numbers with exactly n distinct prime factors.

Terms

    a(0) =2a(1) =6a(2) =10a(3) =30a(4) =42a(5) =60a(6) =210a(7) =330a(8) =390a(9) =420a(10) =2310a(11) =2730a(12) =3570a(13) =3990a(14) =4290a(15) =30030a(16) =39270a(17) =43890a(18) =46410a(19) =51870a(20) =53130a(21) =510510a(22) =570570a(23) =690690a(24) =746130a(25) =870870a(26) =881790a(27) =903210a(28) =9699690a(29) =11741730

External references