Trajectory of 63 under the map k -> A003415(k) (taking the arithmetic derivative).

Terms

a(0) =63a(1) =51a(2) =20a(3) =24a(4) =44a(5) =48a(6) =112a(7) =240a(8) =608a(9) =1552a(10) =3120a(11) =8144a(12) =16304a(13) =32624a(14) =65264a(15) =130544a(16) =264928a(17) =678448a(18) =1356912a(19) =4979232a(20) =19424016a(21) =58272480a(22) =226593936a(23) =763164288a(24) =3467499840a(25) =16339520448a(26) =65370077568a(27) =295266178368