Positions of check bits in code in A075937.

Terms

a(0) =63a(1) =455a(2) =729a(3) =874a(4) =948a(5) =1259a(6) =1393a(7) =1437a(8) =1660a(9) =1678a(10) =1831a(11) =2002a(12) =14343a(13) =22553a(14) =26666a(15) =28724a(16) =38955a(17) =43057a(18) =45085a(19) =51260a(20) =53262a(21) =57383a(22) =63506a(23) =71873a(24) =76098a(25) =78212a(26) =84547a(27) =86683a(28) =90923a(29) =97268