a(n) is the smallest number with exactly n divisors that are n-gonal numbers.

A358539

a(n) is the smallest number with exactly n divisors that are n-gonal numbers.

Terms

    a(0) =6a(1) =36a(2) =210a(3) =1260a(4) =6426a(5) =3360a(6) =351000a(7) =207900a(8) =3749460a(9) =1153152a(10) =15036840a(11) =204204000a(12) =213825150a(13) =11737440a(14) =91797866160a(15) =1006485480a(16) =2310808500a(17) =4966241280a(18) =22651328700a(19) =325269404460a(21) =11203920000a(22) =256653797400a(25) =46822406400

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