Delete all 2's from A026600 and then replace each 3 with 2.

Terms

a(0) =1a(1) =2a(2) =2a(3) =1a(4) =2a(5) =1a(6) =2a(7) =1a(8) =2a(9) =1a(10) =1a(11) =2a(12) =2a(13) =1a(14) =1a(15) =2a(16) =2a(17) =1a(18) =2a(19) =1a(20) =2a(21) =1a(22) =1a(23) =2a(24) =2a(25) =1a(26) =1a(27) =2a(28) =2a(29) =1