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A225081 Gray code variant of A048896. 1
1, 2, 1, 2, 4, 2, 1, 2, 4, 8, 4, 2, 4, 2, 1, 2, 4, 8, 4, 8, 16, 8, 4, 2, 4, 8, 4, 2, 4, 2, 1, 2, 4, 8, 4, 8, 16, 8, 4, 8, 16, 32, 16, 8, 16, 8, 4, 2, 4, 8, 4, 8, 16, 8, 4, 2, 4, 8, 4, 2, 4, 2, 1, 2, 4, 8, 4, 8, 16, 8, 4, 8, 16, 32, 16, 8, 16, 8, 4, 8, 16, 32, 16, 32, 64, 32, 16, 8, 16, 32, 16, 8, 16, 8, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Has a different permutation of the same terms in A048896 through the 2^n-th term.

Uses the Gray code weight (gt) in A005811 instead of the binary weight (wt) in A000120.

LINKS

Table of n, a(n) for n=0..94.

FORMULA

2^(A005811(n+1)-1), n>=0.

EXAMPLE

a(8) = 4 = 2^2 since A005811(9) = 3.

CROSSREFS

Cf. A048896, A005811.

Sequence in context: A013943 A164281 A082693 * A307368 A097082 A281729

Adjacent sequences:  A225078 A225079 A225080 * A225082 A225083 A225084

KEYWORD

nonn

AUTHOR

Gary W. Adamson, Apr 26 2013

STATUS

approved

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Last modified July 30 23:12 EDT 2021. Contains 346365 sequences. (Running on oeis4.)