Primitive unitary abundant numbers k (A302573) whose unitary abundancy index usigma(k)/k has a record low value.

A362054

Primitive unitary abundant numbers k (A302573) whose unitary abundancy index usigma(k)/k has a record low value.

Terms

    a(0) =70a(1) =1092a(2) =1428a(3) =1596a(4) =4030a(5) =5830a(6) =50388a(7) =133042a(8) =216300a(9) =269990a(10) =437745a(11) =442365a(12) =4199030a(13) =22982388a(14) =124540390a(15) =361745930a(16) =507298090a(17) =541900788a(18) =624032630a(19) =1113445430a(20) =3002432810a(21) =6771402960a(22) =13455037365a(23) =17242767300a(24) =60428265370

External references