Erroneous version of A019516.

Terms

a(0) =1a(1) =4a(2) =6a(3) =8a(4) =9a(5) =10a(6) =11a(7) =1a(8) =1a(9) =14a(10) =1a(11) =16a(12) =1a(13) =18a(14) =19a(15) =0a(16) =1a(17) =4a(18) =6a(19) =8a(20) =9a(21) =0a(22) =1a(23) =4a(24) =6a(25) =8a(26) =9a(27) =40a(28) =41a(29) =42