Numbers k that, when expressed in base 4 and then interpreted in base 9, give a multiple of k.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =5a(5) =10a(6) =15a(7) =25a(8) =75a(9) =100a(10) =125a(11) =355a(12) =435a(13) =500a(14) =1775a(15) =2415a(16) =3675a(17) =5825a(18) =9660a(19) =14700a(20) =17074a(21) =20786a(22) =22382a(23) =23300a(24) =27300a(25) =79716a(26) =83144a(27) =87087a(28) =97860a(29) =103930