Numbers whose base-11 representation Sum_{i=0..m} d(i)*11^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) =22a(12) =33a(13) =44a(14) =55a(15) =66a(16) =77a(17) =88a(18) =99a(19) =110a(20) =121a(21) =122a(22) =123a(23) =124a(24) =125a(25) =126a(26) =127a(27) =128a(28) =129a(29) =130