Positions of check bits in code in A075949.

Terms

a(0) =1023a(1) =31775a(2) =105699a(3) =175468a(4) =218805a(5) =308665a(6) =350926a(7) =663367a(8) =1199817a(9) =1672664a(10) =1974427a(11) =2604591a(12) =3830432a(13) =4703428a(14) =7394586a(15) =9170672a(16) =11758717a(17) =12673583a(18) =13425845a(19) =14932646a(20) =23412126a(21) =45547907a(22) =50761481a(23) =84010699