Odd abundant numbers that are also doublets (cf. A020338).

Terms

a(0) =105105a(1) =135135a(2) =153153a(3) =165165a(4) =171171a(5) =189189a(6) =195195a(7) =207207a(8) =225225a(9) =243243a(10) =255255a(11) =261261a(12) =279279a(13) =285285a(14) =297297a(15) =315315a(16) =345345a(17) =351351a(18) =375375a(19) =405405a(20) =435435a(21) =459459a(22) =465465a(23) =495495a(24) =513513a(25) =525525a(26) =555555a(27) =567567a(28) =585585a(29) =615615