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

1,2

Links

Paul Tek, Table of n, a(n) for n = 1..10000

Paul Tek, PERL program for this sequence

Prog

(Perl) See Link section.

Crossrefs

Cf. A081145, A235263.

Sequence in context: A293030 A109852 A083197 * A245704 A260425 A352064

Adjacent sequences: A235259 A235260 A235261 * A235263 A235264 A235265

Keyword

nonn

Author

Paul Tek, Jan 05 2014

Status

approved