A (twin's digits) self-disappearing sequence.

Terms

a(0) =1a(1) =10a(2) =110a(3) =111a(4) =112a(5) =210a(6) =220a(7) =221a(8) =331a(9) =332a(10) =442a(11) =443a(12) =553a(13) =554a(14) =664a(15) =665a(16) =775a(17) =776a(18) =886a(19) =887a(20) =997a(21) =998a(22) =1180a(23) =2200a(24) =2201a(25) =2210a(26) =3300a(27) =3301a(28) =3310a(29) =4400