A235262 Lexicographically earliest sequence of distinct positive integers such that the derived sequence (b(n)) = (a(n) XOR a(n+1)) contains only distinct terms (XOR stands for the binary XOR operator).

1, 2, 3, 4, 6, 8, 5, 9, 12, 7, 13, 11, 15, 16, 10, 17, 24, 14, 18, 26, 21, 32, 19, 33, 22, 34, 20, 36, 25, 35, 27, 37, 28, 39, 48, 23, 38, 50, 29, 49, 31, 52, 30, 51, 42, 55, 41, 56, 40, 58, 47, 60, 64, 43, 65, 44, 66, 45, 53, 67, 54, 68, 57, 70, 46, 71, 61

Offset: 1

Author

Paul Tek, Jan 05 2014

Keywords

• nonn

Links

• Paul Tek, Table of n, a(n) for n = 1..10000
• Paul Tek, PERL program for this sequence

Crossrefs

Cf. A081145, A235263.

Programs

Perl

See Link section.