Numbers whose set of base-11 digits is {1,4}.

Terms

a(0) =1a(1) =4a(2) =12a(3) =15a(4) =45a(5) =48a(6) =133a(7) =136a(8) =166a(9) =169a(10) =496a(11) =499a(12) =529a(13) =532a(14) =1464a(15) =1467a(16) =1497a(17) =1500a(18) =1827a(19) =1830a(20) =1860a(21) =1863a(22) =5457a(23) =5460a(24) =5490a(25) =5493a(26) =5820a(27) =5823a(28) =5853a(29) =5856