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A129543 Gray code ordering of the prime numbers. 1
2, 3, 7, 5, 17, 19, 13, 11, 41, 43, 53, 47, 31, 37, 29, 23, 97, 101, 107, 103, 127, 131, 113, 109, 73, 79, 89, 83, 67, 71, 61, 59, 227, 229, 239, 233, 257, 263, 251, 241, 283, 293, 311, 307, 277, 281, 271, 269, 179, 181, 193, 191, 211, 223, 199, 197, 157, 163, 173 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

This sequence is obtained by permuting the indices of the prime numbers by the Gray code ordering of the integers.

LINKS

Table of n, a(n) for n=0..58.

MathWorld, Gray Code

FORMULA

a(n) = A000040(1+A003188(n)).

PROG

(PARI) a(n) = prime(1 + bitxor(n, n>>1)); \\ Michel Marcus, Apr 23 2013

CROSSREFS

Cf. A000040, A003188.

Sequence in context: A067363 A083188 A228775 * A137440 A038026 A051860

Adjacent sequences:  A129540 A129541 A129542 * A129544 A129545 A129546

KEYWORD

nonn

AUTHOR

Stephen Crowley, May 30 2007

STATUS

approved

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Last modified September 24 21:29 EDT 2017. Contains 292441 sequences.