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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). 6
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 (list; graph; refs; listen; history; text; internal format)
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 A277905

Adjacent sequences:  A235259 A235260 A235261 * A235263 A235264 A235265

KEYWORD

nonn

AUTHOR

Paul Tek, Jan 05 2014

STATUS

approved

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Last modified October 17 02:45 EDT 2021. Contains 348048 sequences. (Running on oeis4.)