a(n) is the first number that has exactly n anagrams that each have exactly n prime divisors, counted by multiplicity.

A369203

a(n) is the first number that has exactly n anagrams that each have exactly n prime divisors, counted by multiplicity.

Terms

    a(0) =2a(1) =15a(2) =117a(3) =135a(4) =1224a(5) =10023a(6) =10026a(7) =50688a(8) =104445a(9) =100368a(10) =1012257a(11) =1002258a(12) =1034568a(13) =10027899a(14) =10024569a(15) =100002789a(16) =100234566a(17) =100236789a(18) =1000024569a(19) =1012566789a(20) =10000224468a(21) =10002367899a(22) =10002345678a(23) =100012344588a(24) =100012234689a(25) =100223456778

External references