A225081 Gray code variant of A048896.

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

Offset: 0

Author

Gary W. Adamson, Apr 26 2013

Keywords

• nonn

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.

Examples

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

Crossrefs

Cf. A048896, A005811.

Formula

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