Sequence A022298 divided by 2.

Terms

a(0) =1a(1) =4a(2) =5a(3) =6a(4) =7a(5) =9a(6) =10a(7) =13a(8) =19a(9) =22a(10) =23a(11) =28a(12) =31a(13) =32a(14) =33a(15) =34a(16) =37a(17) =38a(18) =40a(19) =41a(20) =42a(21) =43a(22) =44a(23) =45a(24) =47a(25) =48a(26) =49a(27) =50a(28) =51a(29) =52