a(n) is the smallest number with exactly n divisors that are centered triangular numbers.

A358544

a(n) is the smallest number with exactly n divisors that are centered triangular numbers.

Terms

    a(0) =1a(1) =4a(2) =20a(3) =320a(4) =460a(5) =5440a(6) =14260a(7) =12920a(8) =168640a(9) =103360a(10) =594320a(11) =3878720a(12) =2377280a(13) =9211960a(14) =18423920a(15) =36847840a(16) =125995840a(17) =73695680a(18) =865924240a(19) =976467760a(20) =1952935520a(21) =3463696960a(22) =3905871040a(23) =31246968320a(24) =22946992360

External references