Numbers whose base-15 representation Sum_{i=0..m} d(i)*15^i has d(i)=0 for all odd i.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =10a(10) =11a(11) =12a(12) =13a(13) =14a(14) =15a(15) =30a(16) =45a(17) =60a(18) =75a(19) =90a(20) =105a(21) =120a(22) =135a(23) =150a(24) =165a(25) =180a(26) =195a(27) =210a(28) =225a(29) =226