Multiples of 4 whose digits add to 4.

Terms

a(0) =4a(1) =40a(2) =112a(3) =220a(4) =400a(5) =1012a(6) =1120a(7) =1300a(8) =2020a(9) =2200a(10) =3100a(11) =4000a(12) =10012a(13) =10120a(14) =10300a(15) =11020a(16) =11200a(17) =12100a(18) =13000a(19) =20020a(20) =20200a(21) =21100a(22) =22000a(23) =30100a(24) =31000a(25) =40000a(26) =100012a(27) =100120a(28) =100300a(29) =101020