Odd numbers whose abundancy is closer to 2 than any smaller odd number.

Terms

a(0) =1a(1) =3a(2) =9a(3) =15a(4) =45a(5) =105a(6) =315a(7) =1155a(8) =7425a(9) =8415a(10) =8925a(11) =31815a(12) =32445a(13) =351351a(14) =442365a(15) =13800465a(16) =14571585a(17) =16286445a(18) =20355825a(19) =20487159a(20) =78524145a(21) =132701205a(22) =159030135a(23) =815634435a(24) =2586415095a(25) =29169504045a(26) =40833636525a(27) =125208115065