Numbers having three 2's in base 10.

Terms

a(0) =222a(1) =1222a(2) =2022a(3) =2122a(4) =2202a(5) =2212a(6) =2220a(7) =2221a(8) =2223a(9) =2224a(10) =2225a(11) =2226a(12) =2227a(13) =2228a(14) =2229a(15) =2232a(16) =2242a(17) =2252a(18) =2262a(19) =2272a(20) =2282a(21) =2292a(22) =2322a(23) =2422a(24) =2522a(25) =2622a(26) =2722a(27) =2822a(28) =2922a(29) =3222