Smallest number with persistence n for the sort-and-subtract-sequence.

Terms

a(0) =0a(1) =1a(2) =10a(3) =60a(4) =90a(5) =101a(6) =120a(7) =380a(8) =450a(9) =505a(10) =807a(11) =1020a(12) =1070a(13) =1303a(14) =1450a(15) =3810a(16) =10020a(17) =10404a(18) =10560a(19) =16056a(20) =16200a(21) =18088a(22) =20322a(23) =20580a(24) =35790a(25) =79000a(26) =80088a(27) =90877a(28) =243700a(29) =279509